OpenTechnical

OT-2026-000071584

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000071584) never changes.

Identity and time

Publication numberOT-2026-000071584 · never reused
Internal UUID01a0ae91-e0ee-76ec-a75b-f11a4d085ea8 · 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-2026-000071584
StatusPUBLIC

Content hashes

Canonical text460110ae377cc235bd8958a7092d0b7a29ab7f351915817a89957afc63187cb1
Markdowne7f232c4511b73a0487ebf705bb028866a68c5332e2b665ce7f76b90e0d301ab
PDF
Publication page5321fe364482d93a61ad4cd1e40d3a7776d9a51017a0b777225ac9cb207e5ed7
Manifest93e04d155aaeeb12e718b7db19bdfc3c81eb113a6fffc1a796388c57c3825b22

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
SignatureU/ioos9xDyNATWr79Ynp221tvTOhw9Xm97s+iv2RPqo/Vw3qjM4JDY5umIUKykT5jBYcG7Ap5kXuk00gIWKRBA==
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

2026-09-17T10:25:13.816651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071584
observed 5321fe364482d93a61ad4cd1e40d3a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.798844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071584/manifest.json
observed 93e04d155aaeeb12e718b7db19bdfc3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.780793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071584/publication.md
observed e7f232c4511b73a0487ebf705bb02886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.762837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071584/publication.txt
observed 460110ae377cc235bd8958a7092d0b7a...
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.