OpenTechnical

OT-2026-000057874

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000057874) never changes.

Identity and time

Publication numberOT-2026-000057874 · never reused
Internal UUID01a0ae88-6ed8-7538-a28d-812be0aceb0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057874
StatusPUBLIC

Content hashes

Canonical text906e94f345d10022f38e940dbedf236b87045246d54a942e6b3cfcd74874c1a1
Markdown2c4dd21fa00d3e4ec0f27ab10aec78b45ee490b502a65139ed2ab5992dbce8fd
PDF
Publication page9dad2f9f97cfc2e0eab133c1f3859078243902d1bae85d5c7ba1abff61d02197
Manifestdd9aa8a8f8e81b631f876003e485b7dadc6cb78c97ab7aef9f0f38549bceb934

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
SignatureBbjog/zyAD6+X2pGJOsTjXhLBfz1pj4ExuOJgd13G32YDXv3efRfdS1vfslCiyKNOD38zUhDswVqMJtVg+AgDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:27.653991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057874
observed 9dad2f9f97cfc2e0eab133c1f3859078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.635058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057874/manifest.json
observed dd9aa8a8f8e81b631f876003e485b7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.614231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057874/publication.md
observed 2c4dd21fa00d3e4ec0f27ab10aec78b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.595270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057874/publication.txt
observed 906e94f345d10022f38e940dbedf236b...
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.