OpenTechnical

OT-2026-000057205

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000057205) never changes.

Identity and time

Publication numberOT-2026-000057205 · never reused
Internal UUID01a0ae87-d5ba-7043-90d3-13510013420c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057205
StatusPUBLIC

Content hashes

Canonical textc1a3137c717619b6c208d47604378dd42cdaaaedab366b5d06108f23cda3513d
Markdown8220eb6e20daf494b2ccb60f745cc2b6978f167eae1fe10f8e9727bddbe127de
PDF
Publication pageb3eccb3e1000668d89e118b94b2c8fb910867482be1f6e35d18d998a795e8220
Manifesta1260e9f8035fed36fa563981a49e7d62c1c0dc15ed7b7599614f1b2f578f73b

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
Signature7px9mIf3DmUUI0zvbTXRW1d4LVhtnRw04BAUQrVsxp4BX9lis2PxdEjupexHlVAUoo+hBQdPYFjAu+az8dQBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.263918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057205
observed b3eccb3e1000668d89e118b94b2c8fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.246602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057205/manifest.json
observed a1260e9f8035fed36fa563981a49e7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.228541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057205/publication.md
observed 8220eb6e20daf494b2ccb60f745cc2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.210955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057205/publication.txt
observed c1a3137c717619b6c208d47604378dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.008865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057205
observed b3eccb3e1000668d89e118b94b2c8fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.991488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057205/manifest.json
observed a1260e9f8035fed36fa563981a49e7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.972229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057205/publication.md
observed 8220eb6e20daf494b2ccb60f745cc2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.953219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057205/publication.txt
observed c1a3137c717619b6c208d47604378dd4...
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.