OpenTechnical

OT-2026-000078303

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078303) never changes.

Identity and time

Publication numberOT-2026-000078303 · never reused
Internal UUID01a0ae95-7c27-7c6f-908e-889c376e4f83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078303
StatusPUBLIC

Content hashes

Canonical text35322b0e0b30e77e74eafa2c9019d0dd7e59e3d0e11ec7a58d247e1e6d497750
Markdownd8d1fdaa4108a842f5632c7c2c32f1ba179fb2f55ba433fcfaa2547a4abe3e0c
PDF
Publication page8b7754e0512721be552793cdc8ea2f182a2493b6bf0959d279ee3dbec7ef524c
Manifestd0087a2f0db7c2811316d3c98030d7b45ead19279597f99e819ff73263d06eb8

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
Signature0mBC+qG/LnP/G/iYhdVyp/DpWGO7QOECqC3cL8OnqbQvAfc6yEGML30RlvpxAXq2gEKFcx2zfr2V/vdeAIYVCg==
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

2026-09-17T10:06:16.077737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078303
observed 8b7754e0512721be552793cdc8ea2f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.057616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078303/manifest.json
observed d0087a2f0db7c2811316d3c98030d7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.038387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078303/publication.md
observed d8d1fdaa4108a842f5632c7c2c32f1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.019372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078303/publication.txt
observed 35322b0e0b30e77e74eafa2c9019d0dd...
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.