OpenTechnical

OT-2026-000027474

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027474) never changes.

Identity and time

Publication numberOT-2026-000027474 · never reused
Internal UUID01a0ae72-6998-75a3-bc43-6d7f6f072ccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027474
StatusPUBLIC

Content hashes

Canonical text7b3be3e75652b039d70bb8b779d7085dcb3be2c78ebbf3d64e3a8377be28315e
Markdown9604e80ac9b2cd9ce767528d9be00522b71dd2f682ad233334a01942e3a84d6b
PDF
Publication page5fc029917ccdc793506d8d329a415c9f8d7ae393421d52d79ee2d24b52fbda9d
Manifest629dc29e9795c9fdcc9477cd52e4e8cc50c5d67127dde3267feadac703ad54d7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePh5beCD1CofPac24MYIjgQazhNT9npfa0mwT7cqExcy5pVHoE8+vnbZfpWrS8fGKo9XeAU8reUaaUZWvdsiYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-09T12:41:06.143918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027474
observed 5fc029917ccdc793506d8d329a415c9f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:06.007206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027474/manifest.json
observed 629dc29e9795c9fdcc9477cd52e4e8cc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:05.863740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027474/publication.md
observed 9604e80ac9b2cd9ce767528d9be00522...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T12:41:05.721164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027474/publication.txt
observed 7b3be3e75652b039d70bb8b779d7085d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:23:30.022853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027474
observed 5fc029917ccdc793506d8d329a415c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:30.007796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027474/manifest.json
observed 629dc29e9795c9fdcc9477cd52e4e8cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:29.973876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027474/publication.md
observed 9604e80ac9b2cd9ce767528d9be00522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:29.945818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027474/publication.txt
observed 7b3be3e75652b039d70bb8b779d7085d...
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 archivePending 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-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent