OpenTechnical

OT-2026-000077059

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000077059) never changes.

Identity and time

Publication numberOT-2026-000077059 · never reused
Internal UUID01a0ae94-f507-7875-8131-99ada910fd92 · 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-2026-000077059
StatusPUBLIC

Content hashes

Canonical text32e017f48a8b97396bb2d42844b806cc5e40cc7dbae17bacb010bda92aa62fbd
Markdownfb106d1b1802e44dccd52fc4bcee47a606aae0a1537546cb43f7b67fbf68e9fd
PDF
Publication pageafb39278d26e1c3524a7ed09b055871ebea7f2817e9a0b5b579c1a8cbe8531d6
Manifest7bf63ee44fbde2c11b44a9ffe70a004e1b2a2799c219a9992d9b81739091b837

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
SignatureWXXq8L/mOQ4nwXbDGTdfvnSCzqrRTHBfN3L856+k7lZP3GP0HsSg7DgHYU79tdUL6wV+Eu0oHsgj9I9+V+xCCw==
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

2026-09-17T10:11:22.273549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077059
observed afb39278d26e1c3524a7ed09b055871e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:21.798683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077059/manifest.json
observed 7bf63ee44fbde2c11b44a9ffe70a004e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:21.777159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077059/publication.md
observed fb106d1b1802e44dccd52fc4bcee47a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:21.759163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077059/publication.txt
observed 32e017f48a8b97396bb2d42844b806cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.590854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077059
observed afb39278d26e1c3524a7ed09b055871e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.572863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077059/manifest.json
observed 7bf63ee44fbde2c11b44a9ffe70a004e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.554009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077059/publication.md
observed fb106d1b1802e44dccd52fc4bcee47a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.536482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077059/publication.txt
observed 32e017f48a8b97396bb2d42844b806cc...
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.