OpenTechnical

OT-2026-000073511

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000073511) never changes.

Identity and time

Publication numberOT-2026-000073511 · never reused
Internal UUID01a0ae92-efb9-7c99-9d4f-8ddba4c92f0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073511
StatusPUBLIC

Content hashes

Canonical text333dafc4d7b28b05e2f4007de2e09c842b4b99a740110fea1a4231e91930dade
Markdowna8bed4cd927b9ba501bc99abb1697994ffa575cde6860e2c4bac132d2550270c
PDF
Publication page7139e7dce964e1a7b457e0b2f66777f70bdf9e530c62a58efd008113f75863c9
Manifestb3714b1cc8dca59181ce7a6248f1f9eb5432c8dab4dc644511b82f07de206fac

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
Signaturend1BdKUBlo5KpllVvSeeGjruVLb29R3/zH28dj7pX8bIc8E7CShFk2gJHAEtD9so39QlL3nfmvUTr4tARSaQAg==
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

2026-09-17T10:21:40.900095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073511
observed 7139e7dce964e1a7b457e0b2f66777f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.881762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073511/manifest.json
observed b3714b1cc8dca59181ce7a6248f1f9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.865096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073511/publication.md
observed a8bed4cd927b9ba501bc99abb1697994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.845913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073511/publication.txt
observed 333dafc4d7b28b05e2f4007de2e09c84...
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.