OpenTechnical

OT-2026-000078102

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000078102) never changes.

Identity and time

Publication numberOT-2026-000078102 · never reused
Internal UUID01a0ae95-6e8c-77e1-bab1-6dd2167b9866 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078102
StatusPUBLIC

Content hashes

Canonical text9a379d5f215a9165a0e010d1cdc280c0c01bc816c587bae530ae8713073f5e6d
Markdown539fd28122bbe382e9a4a3b2292ac30d4ff4bb0e332fffe90c718b08f7c02ad0
PDF
Publication pagea2fa9d65fd4395a5b8be308e6277c29c7700e132709c5a8809ee68941ce782a4
Manifestd6c574119d67652fee199958919ab1cf035e9a198bc21f58353e003d710c1548

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
SignatureRjGCk1Ty5BQMsUlcc/UwURKqenx3Jw28yWIHZUjvCSaDGIP4Plnl1y+7zH2r8bDhSneeBQINfRjYN7cfG9yDDg==
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

2026-09-17T10:06:43.555197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078102
observed a2fa9d65fd4395a5b8be308e6277c29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.537421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078102/manifest.json
observed d6c574119d67652fee199958919ab1cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.513527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078102/publication.md
observed 539fd28122bbe382e9a4a3b2292ac30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.495166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078102/publication.txt
observed 9a379d5f215a9165a0e010d1cdc280c0...
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.