OT-2026-000028307
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, single 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-2026-000028307) never changes.
Identity and time
| Publication number | OT-2026-000028307 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-70cc-8d07-e4e80a77fb70 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028307 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3e9b3c72e6eb1d5621d4d22bd1634e3393b2f7e1c1ae6daf2e4fd6339a22286c |
|---|---|
| Markdown | 02a4c05217969d64b7ab096ae299c8db0afaff815722c732248e69ff48c1e51a |
| Publication page | cd1d2e61c39421feeea7c420db857d7af9791ab23a00cd18d08c3d7c6986c197 |
| Manifest | ea77c9853e53022b511edcc44f4b0dd2767e209e104c07610c64f1b527979443 |
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 | 1fRQJp5HfkG8AWq5UtcffLUTEDKb/5OCl98vuWZhTyUex+JvOhyjJWzNsUmZXMCeVCTejy+tsWhYlzmYW0IsDg== |
| 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
| 2026-09-17T11:40:18.116228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028307observed cd1d2e61c39421feeea7c420db857d7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:18.101573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028307/manifest.jsonobserved ea77c9853e53022b511edcc44f4b0dd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.082877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028307/publication.mdobserved 02a4c05217969d64b7ab096ae299c8db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.063050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028307/publication.txtobserved 3e9b3c72e6eb1d5621d4d22bd1634e33...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|