OT-2026-000032931
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000032931) never changes.
Identity and time
| Publication number | OT-2026-000032931 · never reused |
|---|---|
| Internal UUID | 01a0ae75-4842-77fb-8eda-f2c7043ec342 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:57.065765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032931 |
| Status | PUBLIC |
Content hashes
| Canonical text | c648666eb65f30a45ebc81aaecb21375e413f18174ab327e0fddcd2d50e5b264 |
|---|---|
| Markdown | 39e87b2e87cff1d469cc7fc81118fb6bd5d385fc06e4cc419d934c48ae0b2599 |
| Publication page | 96f39ded8eedc50a0caf30fcc6df465576410c059584b5743ef7003cd4778497 |
| Manifest | 507a6e7125997a32bd72843fbe944a28babd765120b903dfea4bf2fcf55d45c5 |
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 | DR0uX7PoA5G3NVtxdct69xjQla2HnMoIUyFBkQZtO1UpILQd8g71gZxMLfsFUGo5nv5VNicn0o5g0hPA9rFvBg== |
| 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
| 2026-10-20T08:41:12.808372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032931observed 96f39ded8eedc50a0caf30fcc6df4655...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T08:41:12.740810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032931/manifest.jsonobserved 507a6e7125997a32bd72843fbe944a28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:12.665687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032931/publication.mdobserved 39e87b2e87cff1d469cc7fc81118fb6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:12.467054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032931/publication.txtobserved c648666eb65f30a45ebc81aaecb21375...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:45.253301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032931observed 96f39ded8eedc50a0caf30fcc6df4655...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:45.171395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032931/manifest.jsonobserved 507a6e7125997a32bd72843fbe944a28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:39.963339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032931/publication.mdobserved 39e87b2e87cff1d469cc7fc81118fb6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:39.865687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032931/publication.txtobserved c648666eb65f30a45ebc81aaecb21375...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 |
|---|