OpenTechnical

OT-2026-000067729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000067729) never changes.

Identity and time

Publication numberOT-2026-000067729 · never reused
Internal UUID01a0ae8f-c4f9-76c4-8934-04d49869f44d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067729
StatusPUBLIC

Content hashes

Canonical text2585141abe199368a71bdbe7ade1bcc5290720a406560f0649f99399f24b7ade
Markdownb1619270feef7eed39e1a9bc527c11330732c25b946ecb1cfec93e96f1ee1742
PDF
Publication pagecd96682ca200a2fa46b0057e9c7e27969d01250a091c67f66fe9d24d419e09ff
Manifestd45e87182324c5c02fe4beda4ee4ea58f9191a10d080622a0f8960ab368a0d6c

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
Signaturee7RqlZdViJCCT+bXfvKGP7OhfFZenRsroOBcuEAtLG6lczVsSOyHZv2cn9G+2y4PrF0TY85D53cVi92pYH9FDQ==
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

2026-09-17T10:29:56.765576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067729
observed cd96682ca200a2fa46b0057e9c7e2796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.748821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067729/manifest.json
observed d45e87182324c5c02fe4beda4ee4ea58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.729923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067729/publication.md
observed b1619270feef7eed39e1a9bc527c1133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.710485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067729/publication.txt
observed 2585141abe199368a71bdbe7ade1bcc5...
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.