OpenTechnical

OT-2026-000084818

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, sustained blow-off before 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-2026-000084818) never changes.

Identity and time

Publication numberOT-2026-000084818 · never reused
Internal UUID01a0ae99-43b3-7017-ab36-151fcaea0946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084818
StatusPUBLIC

Content hashes

Canonical text2d4a9ab59743622f78a2eb84ca2da08b87a5c3960cdfc80b05beaa56d1461bba
Markdown0a8a5c6e2678410b39d924f39e1222a70d4c16e45ca611c193b80e679a4be59d
PDF
Publication pagee471993def42a0dd81f46f78822dacc4e96e94b58a1468ae76b4aadef4678390
Manifest83cb1c90a571a295b212cd3deaa3d0e08d98fc17623003da01e9313eb59d4988

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
SignatureJqhsLmsjipKHecVB8wWDbgtCGIryYxv86HJfAiOJXFXVVouH1FlfhYSdL+55uZdO8Yv0IlWtZqoArMZEeq+qBQ==
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

2026-09-17T09:54:45.955000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084818
observed e471993def42a0dd81f46f78822dacc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.937942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084818/manifest.json
observed 83cb1c90a571a295b212cd3deaa3d0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.918806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084818/publication.md
observed 0a8a5c6e2678410b39d924f39e1222a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.900997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084818/publication.txt
observed 2d4a9ab59743622f78a2eb84ca2da08b...
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.