OpenTechnical

OT-2026-000084976

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, sustained 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-2026-000084976) never changes.

Identity and time

Publication numberOT-2026-000084976 · never reused
Internal UUID01a0ae99-43b7-7ff4-97a1-c47c69dc00e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084976
StatusPUBLIC

Content hashes

Canonical text2bdd762c3337c1bf882e49a0d373168d6d63b2c1191140bb68a957d160ac89b6
Markdown421874c8902b7f2fbff1a3513f0cdfe8bf198527a1ca749856811eab787594f7
PDF
Publication page5d4e574baabe6b375c4693de79dc577760bead9fdd423f63fd753f34e9cddc15
Manifest41109b18fa84f992dda5a52ef1067ae1977bb415fcb9fef4dd0f0bdac88176be

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
SignatureADuMvsGDrYyfSpb/Y63p/u3E7HWxvbOX147MAfhqXxUbUZ85+aKLFM63Sgvw4WxoT4JwsRj0rz+h8WJJhEKpCQ==
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

2026-09-17T09:54:58.580677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084976
observed 5d4e574baabe6b375c4693de79dc5777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.563280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084976/manifest.json
observed 41109b18fa84f992dda5a52ef1067ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.545223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084976/publication.md
observed 421874c8902b7f2fbff1a3513f0cdfe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.527401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084976/publication.txt
observed 2bdd762c3337c1bf882e49a0d373168d...
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.