OpenTechnical

OT-2026-000077660

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000077660) never changes.

Identity and time

Publication numberOT-2026-000077660 · never reused
Internal UUID01a0ae95-2ecf-7b5a-b030-eea40c8a5ec9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077660
StatusPUBLIC

Content hashes

Canonical text39c4b0da7dd5d6f1e82653c2ab58ec576c642ce882a12c2e24c5212f257d3a2c
Markdown4fe10dec06a7e395267484fb76b3ee2d7f3e9346ef9ff8e22f2f30b427c47f55
PDF
Publication pagec4c7c73b8c627e285ebd0aa98a906c8417f9e272a2386119a205aa9a021c7400
Manifest2217112848ff485750ce6e0dbce75fc6085f9e4e7403d7f5b82abb654f1e4c8a

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
Signature7P0+Fv5yro3yDi4DeBfuegds4SwzLBKe2GqP0A2Y/nK53IwoJ7nnelDoEv4mgGk/VwqCdx6ZfbaTu9y1D+OgCw==
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

2026-09-17T10:06:55.130939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077660
observed c4c7c73b8c627e285ebd0aa98a906c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.110796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077660/manifest.json
observed 2217112848ff485750ce6e0dbce75fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.059860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077660/publication.md
observed 4fe10dec06a7e395267484fb76b3ee2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.011987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077660/publication.txt
observed 39c4b0da7dd5d6f1e82653c2ab58ec57...
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.