OpenTechnical

OT-2026-000075508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075508) never changes.

Identity and time

Publication numberOT-2026-000075508 · never reused
Internal UUID01a0ae93-f202-71e3-995c-854818c0d1a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075508
StatusPUBLIC

Content hashes

Canonical text0e0fa2d245c87572f7de41fa18ba60ad7848550ed700bf74c818c9ef28132afc
Markdown3c3893fbbe3e7b4839fea1d830eaf30270ab786134cfa4f428362b0ba2720d65
PDF
Publication pagee0d49454a4f4380e286294c5449ab81e1c6bc28a20910d01312a6de3e21cf13b
Manifestb0e969ce2c08970d67f5620b5031be27fa9be66dc74e90f07e3775d01d833bf9

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
SignaturezM7CivyLaJY8SPiZTEORObfJZYwwHcbXO2J4P7bd6hnCTIXi7aG8RWhiqeMiIrJuft4StyRuOQAoWDmBPUjaDg==
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

2026-09-17T10:17:56.762867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075508
observed e0d49454a4f4380e286294c5449ab81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.743499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075508/manifest.json
observed b0e969ce2c08970d67f5620b5031be27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.725484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075508/publication.md
observed 3c3893fbbe3e7b4839fea1d830eaf302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:56.707528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075508/publication.txt
observed 0e0fa2d245c87572f7de41fa18ba60ad...
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.