OpenTechnical

OT-2026-000077422

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000077422) never changes.

Identity and time

Publication numberOT-2026-000077422 · never reused
Internal UUID01a0ae94-f509-7c87-870e-8becd9d020ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077422
StatusPUBLIC

Content hashes

Canonical textcd93a2b57fcb36089ad1f35d0fea7957d45c04c436bc0d3dc0c0517f0c2c4b96
Markdown068b99885740bff218d9452383248d4483933bb2fa9eb651d49e24ec03a01f13
PDF
Publication page0a034d4219615370aec2c2291fc189ee7b1ebb14ff41460b673e1b2e81cea8c1
Manifestffd6ecf3d9eab8d7a1c0598f1efde27e3b9291d49d68bf2ae7d353763bdf4cab

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
SignaturedXu+ykvfASvwCLoFvEmT37Yt+LXsvH4xoOlRCgEcJCZ2yC+X5yKGNz5a/5Z1VvVN82A2Woh9aR9+IkadUHtHCQ==
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

2026-09-17T10:10:50.486683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077422
observed 0a034d4219615370aec2c2291fc189ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.469203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077422/manifest.json
observed ffd6ecf3d9eab8d7a1c0598f1efde27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.449996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077422/publication.md
observed 068b99885740bff218d9452383248d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:50.307129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077422/publication.txt
observed cd93a2b57fcb36089ad1f35d0fea7957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.430008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077422
observed 0a034d4219615370aec2c2291fc189ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.411001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077422/manifest.json
observed ffd6ecf3d9eab8d7a1c0598f1efde27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.390891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077422/publication.md
observed 068b99885740bff218d9452383248d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.373021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077422/publication.txt
observed cd93a2b57fcb36089ad1f35d0fea7957...
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.