OpenTechnical

OT-2026-000085149

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000085149) never changes.

Identity and time

Publication numberOT-2026-000085149 · never reused
Internal UUID01a0ae99-43b9-7b9f-a4ff-bd6a7015b170 · 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-2026-000085149
StatusPUBLIC

Content hashes

Canonical text80fe6cb4d3e3a185b3e7c21d32e29bb1f26d67332118df3ff7083c719e355201
Markdownbac774968693ac8d083812888f23c104602614bf106bee82b08faa9fb9e8a7b2
PDF
Publication page7941510fc05eb0e15a1348521d96cd107de3d9a8c04f5dba740f5fa7de37d608
Manifestb24dcf5ff00a83804de0147ae24f2966b9eacfdd8315be64fdbeb50f4da89d45

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
SignatureN/wUKjnUKRmRZeuZd0fWdxo8g0Kqtk0eyFKCnvlHeFGQSkTVxd0Vw5EI5fxSCwUw7C0qybPfYfFMk0d13yfhAA==
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

2026-09-17T09:55:13.751713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085149
observed 7941510fc05eb0e15a1348521d96cd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.734758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085149/manifest.json
observed b24dcf5ff00a83804de0147ae24f2966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.716502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085149/publication.md
observed bac774968693ac8d083812888f23c104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:13.699040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085149/publication.txt
observed 80fe6cb4d3e3a185b3e7c21d32e29bb1...
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.