OpenTechnical

OT-2026-000074556

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000074556) never changes.

Identity and time

Publication numberOT-2026-000074556 · never reused
Internal UUID01a0ae93-717b-77ec-a73d-f9829a08b608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074556
StatusPUBLIC

Content hashes

Canonical texte1a2459801319eea78942c5bd5afd15cb64650314d916cd1e27659ed46085d3b
Markdown58d464ae07ae4f1dccb51b769df30aa692cfcc1ed6d62ac8363e4c97cfb22237
PDF
Publication page425da53c2e10c5380270a9ace318d50fc948a7dafbda11b8ee1732a1e6d007b2
Manifeste91f927c8dd30009e65cc49f4f03c0a1fe736af15e2df2ed83be6ce08a810c47

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
Signaturexz21TyzlNg1plHTLEVcKcTMImoq9t7ycO+hvA7Vqg3IaMO32Y876PXEaIzHFGepwnAAoJ9QbqNP1hSe0Uh1oAA==
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

2026-09-17T10:19:34.134386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074556
observed 425da53c2e10c5380270a9ace318d50f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.112951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074556/manifest.json
observed e91f927c8dd30009e65cc49f4f03c0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.094394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074556/publication.md
observed 58d464ae07ae4f1dccb51b769df30aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.075539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074556/publication.txt
observed e1a2459801319eea78942c5bd5afd15c...
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.