OpenTechnical

OT-2026-000009762

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000009762) never changes.

Identity and time

Publication numberOT-2026-000009762 · never reused
Internal UUID01a0ae6b-7565-74e0-821b-ffc168cca725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009762
StatusPUBLIC

Content hashes

Canonical text01d46f95a8d416ade3ab6a998fd92b27b945f14a7010bbbbe8c1493667a7033b
Markdown0845032460849fc555f923bc5fd475aeb1f0b94555b37a719b10ba277a0e1003
PDF
Publication page49ecca72aedee79dd3a73748ed14823ed7d63cb24387414a75ef1c1a439d6d13
Manifestc0414d26ff7aa9579459afc5b0f48ca785da38a10ccedb0399accfc7922220c4

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
SignatureBfX2U9xsUGw3NmK71IJbQpEgHwESH6/PIaoaiOQe3+mkpIAM6XoA0kpwMegtyJpwuo4STsNwbzfdlHxZ/YPPDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:16.226163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009762
observed 49ecca72aedee79dd3a73748ed14823e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.205921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009762/manifest.json
observed c0414d26ff7aa9579459afc5b0f48ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.186810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009762/publication.md
observed 0845032460849fc555f923bc5fd475ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.168505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009762/publication.txt
observed 01d46f95a8d416ade3ab6a998fd92b27...
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.