OpenTechnical

OT-2026-000071553

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071553) never changes.

Identity and time

Publication numberOT-2026-000071553 · never reused
Internal UUID01a0ae91-e0ee-7008-b12b-c9e55335542e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071553
StatusPUBLIC

Content hashes

Canonical textec077e2f7da1745d558494509107ce166b087198c104fe176ec765b01fce517a
Markdown462ed262400700badfd8dbef7f2b71ad29f58c8c97205e445e8225838b691177
PDF
Publication page633813d14eb1f139e5d990a5219bb5ffba0cfd7333c955fd49be8c81fcdb5de1
Manifest4beee8e26696886b7f84278514495b47ee4e5cd5ce19eba8f3f0e7b9f4802a18

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
SignatureiUgw+pYHDDLsWv53An21CVkpiH6geRII2EVDD27dLaXp7sYjmykiHITysLOjFccQ3Y4l6pVAoWmSFMt18W1hBQ==
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

2026-09-17T10:25:12.497231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071553
observed 633813d14eb1f139e5d990a5219bb5ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.481807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071553/manifest.json
observed 4beee8e26696886b7f84278514495b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.464725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071553/publication.md
observed 462ed262400700badfd8dbef7f2b71ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.448981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071553/publication.txt
observed ec077e2f7da1745d558494509107ce16...
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.