OpenTechnical

OT-2026-000080597

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000080597) never changes.

Identity and time

Publication numberOT-2026-000080597 · never reused
Internal UUID01a0ae96-7e79-7570-ab97-7bbe02a0fc43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080597
StatusPUBLIC

Content hashes

Canonical text4da01e0e97682871a5423029e5ee00fbfd8ba52196e4473e58bb3884bd73e62d
Markdown5ed710fd1cb11b2639007f24096f3eaafcddd3973d63ecdb80e344720dce7614
PDF
Publication page604720aaae8a05f0c7ff44b6dcf8e5677c0bd5753f2093648e5b3716560db61e
Manifest923f50d3dc93eee91feffcf4e116f3604e5e11a78cc31615af85d6c9931591ef

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
SignatureKMH2i/h5Lf8cHqjHRfrcbygbj+JIq9dgpa0yVdwexZmmWPdcYtF/TtTEe/qprU1c4WAZA5f5Nm5HWb1lM3ZmCA==
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

2026-09-17T10:03:13.958189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080597
observed 604720aaae8a05f0c7ff44b6dcf8e567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.939327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080597/manifest.json
observed 923f50d3dc93eee91feffcf4e116f360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.921403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080597/publication.md
observed 5ed710fd1cb11b2639007f24096f3eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.902928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080597/publication.txt
observed 4da01e0e97682871a5423029e5ee00fb...
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.