OpenTechnical

OT-2026-000081065

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, sustained blow-off 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-2026-000081065) never changes.

Identity and time

Publication numberOT-2026-000081065 · never reused
Internal UUID01a0ae96-b976-71a1-be7e-ee83571216d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081065
StatusPUBLIC

Content hashes

Canonical textf64c403b6847138b8ad1172ec34f3a70cea4b71d2371a8c8d3f7fe384d9340f1
Markdown93610bf4416ba6b88eff86f2c18469ca78132ddf7a675936b6568dfa9d8ad525
PDF
Publication page2d67c51974c3d966c0d3697ec8c2314501099119c9df4303663cae997a15eef4
Manifestf14b73f24360efb4af65e8b4c0e353b4c8d0b6db6c2705f023415e9721a1f886

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
Signature20fJkdFLcQt0UQHsXXLNIty/EwKugr2IBqFfIfexDKLThrY2Uri3OApUEJo4PupXL8RHBgAgIhUr9TY9SPcZBw==
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

2026-09-17T10:02:21.728070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081065
observed 2d67c51974c3d966c0d3697ec8c23145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.709901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081065/manifest.json
observed f14b73f24360efb4af65e8b4c0e353b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.691519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081065/publication.md
observed 93610bf4416ba6b88eff86f2c18469ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.673178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081065/publication.txt
observed f64c403b6847138b8ad1172ec34f3a70...
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.