OpenTechnical

OT-2026-000016504

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000016504) never changes.

Identity and time

Publication numberOT-2026-000016504 · never reused
Internal UUID01a0ae6e-2d13-73e6-ab3c-1926812bd401 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016504
StatusPUBLIC

Content hashes

Canonical text982fb869ccde462aad9552f9dbd3d08cb4e2a66f0132c3d65731f38c0e7a605d
Markdownf94e30ee77d4e1e783998bee75591036c707f270e361056b7b4d547e9c5ed304
PDF
Publication pageaa44e442bf847d341f8ab28837e68494fe07d12e72065f2ce52f8616a5a7173f
Manifest99b399dcec9daa32cf799870ba63c1a9a0ddcea981d372e5b60e4bc6047c688d

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
SignaturetH2kXTxKI/zdnXw5GA7hILtVIW/aiX68yz5BmT3cmF72M28C4MkOBkICICrAxDg1WjvMPFV2PWaPSMHHnB5FDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:04:42.937571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016504
observed aa44e442bf847d341f8ab28837e68494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.918510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016504/manifest.json
observed 99b399dcec9daa32cf799870ba63c1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.897425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016504/publication.md
observed f94e30ee77d4e1e783998bee75591036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.879207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016504/publication.txt
observed 982fb869ccde462aad9552f9dbd3d08c...
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.