OT-2026-000005216
Publication integrity record
Porous face vacuum gripper, three outlet manifold, ejector fed, pressure verified
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-2026-000005216) never changes.
Identity and time
| Publication number | OT-2026-000005216 · never reused |
|---|---|
| Internal UUID | 01a0a931-97b6-7d76-a402-f8596ce9b786 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:49:54.745100Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005216 |
| Status | PUBLIC |
Content hashes
| Canonical text | 278eab3b28cfa90447d7d37378e4818c9177f521e9c8cb2b5fe27d76583ed280 |
|---|---|
| Markdown | e097098f0ea4387ce0f623fda2ba83352cbae232047ddb8752602eeace5c7970 |
| Publication page | 3bc7cdcdd14d8a36b5012c99ad912d15c25249aa9571c55db2f09eb1890c8eae |
| Manifest | aa11fb45212f0bc12398ba77d6c132690d9436178e1f9be23a31c402fc8054ce |
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 | pDABuivKnkRatgPdA5Dft5hKNTbhtmHBcXst3yqNL78a7hQa/RgN5uVpR0tbKky3iM5YV8AB94cH++cFZwk7Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-10-21T20:41:24.655702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005216observed 3bc7cdcdd14d8a36b5012c99ad912d15...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T20:41:24.597339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005216/manifest.jsonobserved aa11fb45212f0bc12398ba77d6c13269...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T20:41:24.547594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005216/publication.mdobserved e097098f0ea4387ce0f623fda2ba8335...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T20:41:24.365070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005216/publication.txtobserved 278eab3b28cfa90447d7d37378e4818c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:12.055182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005216observed 3bc7cdcdd14d8a36b5012c99ad912d15...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:11.998785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005216/manifest.jsonobserved aa11fb45212f0bc12398ba77d6c13269...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:11.935722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005216/publication.mdobserved e097098f0ea4387ce0f623fda2ba8335...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T12:41:11.809621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005216/publication.txtobserved 278eab3b28cfa90447d7d37378e4818c...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 |
|---|