OpenTechnical

OT-2026-000065780

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000065780) never changes.

Identity and time

Publication numberOT-2026-000065780 · never reused
Internal UUID01a0ae8e-46fb-7011-95ee-5170d9296712 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065780
StatusPUBLIC

Content hashes

Canonical text17bbd969b292dee5bb3dcbe3bad19be2739c6cd0b08b2c957dbb2f3d01f5f382
Markdownde7781b2d32500cea64d5cbfdfcc73ec9dba8b619d4037c2dab55da70052a966
PDF
Publication page7f9a872bb9aa2504aba9debef6d49139917222853df5324360255db520722d84
Manifest6984df796065c95b816ba3a1f48e1eacb8d48c050e467b6464a531056fd4cbaf

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
SignaturelyqnCjEt5qfPtJaLV7tUgum/guS26V1PdwLMWF5vz+55SbXPbkeyRgxrk3Ehaza9PUgOZD5Sfu6LuxjCCHRqDQ==
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

2026-09-17T10:34:13.039008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065780
observed 7f9a872bb9aa2504aba9debef6d49139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.021857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065780/manifest.json
observed 6984df796065c95b816ba3a1f48e1eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.003778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065780/publication.md
observed de7781b2d32500cea64d5cbfdfcc73ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:12.987349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065780/publication.txt
observed 17bbd969b292dee5bb3dcbe3bad19be2...
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.