OpenTechnical

OT-2026-000088896

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000088896) never changes.

Identity and time

Publication numberOT-2026-000088896 · never reused
Internal UUID01a0ae9b-8f11-7996-b33a-32c9871e1ab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088896
StatusPUBLIC

Content hashes

Canonical textbe1c4f8be12fea1e684b4f8763d9299e52ea6c7e4ab24b8080d889cb70f630d5
Markdownebfba796ea751fea623173d9c83a69f58ff5b40d0e7da3f47b005ff7601dd418
PDF
Publication page44c4217e6594b7b0eab6833caff9cc89b691c0a537c6853ef7722ad0458c60f7
Manifest9ec01bb5691920b56903d4b167d800a2ca9859c5709139e5aad069f8f673960f

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
SignatureGWAalzH9+1HF9kxPxzv/0a6BAdbqs+GtaugE0B4bfTttcx7h0j4OpkphoPBmPmD6uaN6lgDuIUYb71H6+M/eDw==
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

2026-09-17T09:48:17.881512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088896
observed 44c4217e6594b7b0eab6833caff9cc89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.862609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088896/manifest.json
observed 9ec01bb5691920b56903d4b167d800a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.844967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088896/publication.md
observed ebfba796ea751fea623173d9c83a69f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.824010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088896/publication.txt
observed be1c4f8be12fea1e684b4f8763d9299e...
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.