OpenTechnical

OT-2026-000077424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented after 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-2026-000077424) never changes.

Identity and time

Publication numberOT-2026-000077424 · never reused
Internal UUID01a0ae94-f509-70f7-9271-50491f35634a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077424
StatusPUBLIC

Content hashes

Canonical texta0ed33b7c67b7c75f6e619a1424aa6b492a3ae8583c9139163185c8bbacbeb42
Markdownc7d20370c1d1101f764b58413fd34e09d6502a914446dfd0482bb0c835ed6621
PDF
Publication pagee3553463beece8e0c3ea317d37a554750a60382ea018f31cfa4db7ebb97eca27
Manifesta5ec377d6a25155615b192f0ca8251673a2d10a61b55928966e73d9b3a2c7cc0

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
SignatureZBwtoh4h1ryAqxRm8I/vnkWTQaAMNk1PHP/BUju3pTyHAO/REx30WpXrV5J+rwWf4YfC8oD4QuD7jmw1BPzbAQ==
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

2026-09-17T10:09:04.478904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077424
observed e3553463beece8e0c3ea317d37a55475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.460738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077424/manifest.json
observed a5ec377d6a25155615b192f0ca825167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.441030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077424/publication.md
observed c7d20370c1d1101f764b58413fd34e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.420586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077424/publication.txt
observed a0ed33b7c67b7c75f6e619a1424aa6b4...
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.