OT-2026-000013435
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000013435) never changes.
Identity and time
| Publication number | OT-2026-000013435 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fca-7b30-9e1f-ae31813e9347 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013435 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63416133d6905211ddc4de0b8f943c93fd27d3af8541e6cf216db31f54de2404 |
|---|---|
| Markdown | 04fa97f6f473bedfe848c5dbd2448fc4b7cc2553289904114db89c89d4b942c1 |
| Publication page | 6679b9c01208b661a1705f79895468c47e58e060369321aadd7179c90276ca35 |
| Manifest | 9a649b05d3d00d98e90c9d0eef1cb4186cb93dcd7c2346aa32465022f1da59d9 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | ASKCkLbjLxWSPa8z7NH//0v9FDaAyYtd4reLG4f3MmUAMda9uyWZER0DyUCliECx6TibCOanHnrCuxDhr7I+DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-30T04:41:32.417038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013435observed 6679b9c01208b661a1705f79895468c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T04:41:32.294516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013435/manifest.jsonobserved 9a649b05d3d00d98e90c9d0eef1cb418...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:32.214618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013435/publication.mdobserved 04fa97f6f473bedfe848c5dbd2448fc4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:32.123902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013435/publication.txtobserved 63416133d6905211ddc4de0b8f943c93...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:17.455343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013435observed 6679b9c01208b661a1705f79895468c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:17.405808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013435/manifest.jsonobserved 9a649b05d3d00d98e90c9d0eef1cb418...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:17.343980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013435/publication.mdobserved 04fa97f6f473bedfe848c5dbd2448fc4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:17.278190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013435/publication.txtobserved 63416133d6905211ddc4de0b8f943c93...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|