OpenTechnical

OT-2026-000079382

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000079382) never changes.

Identity and time

Publication numberOT-2026-000079382 · never reused
Internal UUID01a0ae96-0b90-7084-9feb-de41a74775ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079382
StatusPUBLIC

Content hashes

Canonical textfc47c2bb0d83e842df733be0d19125971c19ada8571672396d076c461901b78a
Markdown500b1cb0a0e69854245253ea2cf188a0c0d91ed9406ee0270e4240acd22e46ca
PDF
Publication page33db076e9e716075385f19dfab70236e0aab2eadccbecd5f900d5f7cf298aca2
Manifest4f9cebc5944dc45ce649a2bec16b368f835111463b7647fdbae8310073e775e8

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
SignatureDBzcVB2VlyLki+iAZC+2kXU39kwT52eLH05Hko6By8S18MBQw3H1jsb2zBZpWL9Xy6NiVhL9WtwXuaszRKhjCQ==
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

2026-09-17T10:05:00.150473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079382
observed 33db076e9e716075385f19dfab70236e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.130408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079382/manifest.json
observed 4f9cebc5944dc45ce649a2bec16b368f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.111422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079382/publication.md
observed 500b1cb0a0e69854245253ea2cf188a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.090758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079382/publication.txt
observed fc47c2bb0d83e842df733be0d1912597...
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.