OpenTechnical

OT-2026-000065390

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000065390) never changes.

Identity and time

Publication numberOT-2026-000065390 · never reused
Internal UUID01a0ae8e-46f8-78a5-928e-4201c0849192 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065390
StatusPUBLIC

Content hashes

Canonical texta80bee394b04e96645ad6d3dc9170faafe0cccdde4e789e50c9eaf791dda7df4
Markdownbd9a4c8ae343ad99e1f98c51f5e1dba59ba83e03271a0657c33b540babf9c5b1
PDF
Publication page0322c73561802c5ff59a1403d889e5b9b32646bda739ce65cec7710923c0468e
Manifest677637586c0643be91564cb30ad82424b46fc0ee8a32ff3b6f715d564ae244ed

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
SignatureoyJc172a4eDaqv2PLGlaiAXSLF3eTT7ZV/i+ndXdo8hOtSod5mF2BfFlfg0slXFW792u5PEkbI0isy4p/YV0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:38.882089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065390
observed 0322c73561802c5ff59a1403d889e5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.862698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065390/manifest.json
observed 677637586c0643be91564cb30ad82424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.847064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065390/publication.md
observed bd9a4c8ae343ad99e1f98c51f5e1dba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:38.828886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065390/publication.txt
observed a80bee394b04e96645ad6d3dc9170faa...
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.