OpenTechnical

OT-2026-000029150

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000029150) never changes.

Identity and time

Publication numberOT-2026-000029150 · never reused
Internal UUID01a0ae73-2aa0-7649-9feb-4cb3d7b6d709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029150
StatusPUBLIC

Content hashes

Canonical text8e44e41ef3bcdf586045be105d1649cbbe6d68d129b2e36739f88e16a97ab2c2
Markdown2aa5296ee8217bafe732925e0ac451ec25acf5757a9a7a6672c53641cf4da33b
PDF
Publication page5fd9c9aa7023024f0583fa84b8e825488a507cdd82a963523651f73c79f705a1
Manifeste74e039cad8aefeb83105c42c685f9e195a26407fefc9339dfeb73ffc48c298c

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
SignatureI++PZwjj+PoBJPypsrJI1p44nbpguNHHdzZw36BFrXXL3aBl8OTZ9ZGGlYg6ldfVgZf79AJw3Es4/xbqy9JSCw==
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

2026-09-17T11:39:38.475571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029150
observed 5fd9c9aa7023024f0583fa84b8e82548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.457654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029150/manifest.json
observed e74e039cad8aefeb83105c42c685f9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.436784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029150/publication.md
observed 2aa5296ee8217bafe732925e0ac451ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.416622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029150/publication.txt
observed 8e44e41ef3bcdf586045be105d1649cb...
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

Custody packagePending Custody packages are produced weekly.