OpenTechnical

OT-2026-000031048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000031048) never changes.

Identity and time

Publication numberOT-2026-000031048 · never reused
Internal UUID01a0ae74-3fb7-789b-99bb-4383a1cefa8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031048
StatusPUBLIC

Content hashes

Canonical texte6b4554ddeba1a1505aeabf8d1c396c1bd059f3542ca4ad4dfb480dd2abc4f23
Markdown2055e749e38c1260fa18498330060b369ec5e931f26ca0ed64bee13a3a0fe504
PDF
Publication page7e07217bb742661b3318002811bd688ef875973a2614c65723cc95d22af89d3b
Manifestc93565642c6800224d42f31d397da2a0e9bf6b7db2af0543966212e47513c562

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
SignatureDMreN1EbWpv974pYd4ZII0OBZnnDosju12x4hTXwXaEf5HaWUDIEI5F+bHFwSEW1PyqrVsbUGzZDQSqfgTFgBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:09.034088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031048
observed 7e07217bb742661b3318002811bd688e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.016676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031048/manifest.json
observed c93565642c6800224d42f31d397da2a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.998484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031048/publication.md
observed 2055e749e38c1260fa18498330060b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.976555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031048/publication.txt
observed e6b4554ddeba1a1505aeabf8d1c396c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.865960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031048
observed 7e07217bb742661b3318002811bd688e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.845467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031048/manifest.json
observed c93565642c6800224d42f31d397da2a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.824124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031048/publication.md
observed 2055e749e38c1260fa18498330060b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.807416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031048/publication.txt
observed e6b4554ddeba1a1505aeabf8d1c396c1...
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.