OpenTechnical

OT-2026-000076972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000076972) never changes.

Identity and time

Publication numberOT-2026-000076972 · never reused
Internal UUID01a0ae94-b071-7608-b222-cb79a45f1b89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076972
StatusPUBLIC

Content hashes

Canonical text580c012f7e57e0f2a0e6b24266ecc28b9cacb6663b6db2c75773885e889cfdef
Markdown7682867d4d7aca1715dc1805a596bc2e242b35f13ec4ad953b56a8e15aa6f0dc
PDF
Publication page7cfd457b516701b2cc28e24e27c72e9f090bdfb9f04435745c36acece36ee5e1
Manifestcc1606bd62acd2f5ff48d32e7fbf126e5e6d5da3057fc605ab54837ee056e76c

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
SignatureMOgveo29waaINEb3JDpgN/90vZqI3hIfTYVfby24I6N6v3/xLQjD/LqyQPSTOfTT7tzYFUcKRnVzKE9w5VeUAg==
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

2026-09-17T10:10:13.989710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076972
observed 7cfd457b516701b2cc28e24e27c72e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:13.548330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076972/manifest.json
observed cc1606bd62acd2f5ff48d32e7fbf126e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:13.525782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076972/publication.md
observed 7682867d4d7aca1715dc1805a596bc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:13.501109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076972/publication.txt
observed 580c012f7e57e0f2a0e6b24266ecc28b...
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.