OpenTechnical

OT-2026-000074360

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000074360) never changes.

Identity and time

Publication numberOT-2026-000074360 · never reused
Internal UUID01a0ae93-7179-7987-9d9b-7f8616184b0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074360
StatusPUBLIC

Content hashes

Canonical text63bb79c0d5fa209dd19f38de27c1825b7669c54ac9fa5fa8514410be53948f65
Markdown86cf05dc9d75074bc7d65757d42394da1353bdb0b4fde712677bd3d99b941736
PDF
Publication pagea86cbf8d00059bc5c75fb850359d4e05eec2be4717e6083e24946cc541caab44
Manifest40b843a2801983450f45733c9234692f17f99519308017c9d99300fef2790ff4

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
SignatureXuG188ygQsZlR5SFj5Zqfcdcf6DYWx965g4OylDh9tIrhT1ycAd5EbYSEjyilgFRmXr+luIswOYTG2xJZ86OAw==
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

2026-09-17T10:19:17.168223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074360
observed a86cbf8d00059bc5c75fb850359d4e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.149200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074360/manifest.json
observed 40b843a2801983450f45733c9234692f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.131940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074360/publication.md
observed 86cf05dc9d75074bc7d65757d42394da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.111987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074360/publication.txt
observed 63bb79c0d5fa209dd19f38de27c1825b...
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.