OpenTechnical

OT-2026-000072323

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000072323) never changes.

Identity and time

Publication numberOT-2026-000072323 · never reused
Internal UUID01a0ae92-47c3-748d-8c4b-00f40d499275 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072323
StatusPUBLIC

Content hashes

Canonical text9d48121d251e634ecfc70fa825b4e1362015fdeb5a707309adfe6ade0dd5d609
Markdown7a6a2dc068c361921b6acb1fe1893962979fa5f13c0b26b1962cf8bb46e05481
PDF
Publication pagef6872037a096082f8531edb55658e4ce23ed5089e72469c39dc19c60b5988c26
Manifestc6334b3ceb15e66d72e6be387a6285f427a10be71918495a56cab83ca9f08241

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
SignatureymYM/kXno4qlGB7EDxNV1ykHVwO/bmW6dLHUeMAk4yvdtNLEZkY38vMU6+NlKmrdvBzMJVAoUsePVHF0QRvnBg==
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

2026-09-17T10:23:33.175648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072323
observed f6872037a096082f8531edb55658e4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.159143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072323/manifest.json
observed c6334b3ceb15e66d72e6be387a6285f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.010898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072323/publication.md
observed 7a6a2dc068c361921b6acb1fe1893962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.993996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072323/publication.txt
observed 9d48121d251e634ecfc70fa825b4e136...
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.