OpenTechnical

OT-2026-000077354

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000077354) never changes.

Identity and time

Publication numberOT-2026-000077354 · never reused
Internal UUID01a0ae94-f509-7ac7-94e6-9d411f9fb672 · 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-2026-000077354
StatusPUBLIC

Content hashes

Canonical text14f5ddd055838a0e68095f8b031a6c6907368d26b37a7ecc81ab7735b2d9afd8
Markdownd537687abaec05a7d1b5ff0c33022539098b64d03f7417b29f4586b7bfdfc2be
PDF
Publication page809212c0485ace58f5530f77d59d17e6262f9f93675c2d0253693191e6d99b68
Manifestf753be85fb3a3bd977af450cb3358bd0544b1d9dfca86f715ea4e254cc4bd54d

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
SignatureNscaw/+JULwzD1jOk8K79jCe9Qco/GzK8Y1t54um1GUM/3SJZx36lslhpMn1QlaHsQNch8GeebEPiN7nSG3ZDQ==
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

2026-09-17T10:08:59.819764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077354
observed 809212c0485ace58f5530f77d59d17e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.801925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077354/manifest.json
observed f753be85fb3a3bd977af450cb3358bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.783981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077354/publication.md
observed d537687abaec05a7d1b5ff0c33022539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.765152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077354/publication.txt
observed 14f5ddd055838a0e68095f8b031a6c69...
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.