OpenTechnical

OT-2026-000078921

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000078921) never changes.

Identity and time

Publication numberOT-2026-000078921 · never reused
Internal UUID01a0ae95-ccbd-7776-bbe6-02d41dff261f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078921
StatusPUBLIC

Content hashes

Canonical text8966d13118840de2d2f639e6dedcc61a85e6170c2427bc85b23098802f951baa
Markdown8d5ecb07e3e718bc5b651532b8c8b775036efbb428b98f9a9b93575cbbf2db6d
PDF
Publication page4140eafa313de319ad8cc1c01a648c3f066a881645148ece3a684e4c25f6b1ba
Manifest7e9aecd316b116043e0fcb1745a875159cccc2ffd55a047e490ef1f6c704d579

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
SignatureXTI2Cd08jVI9CqKaytCV4q+veiIQ+St8S1RUiAHdPo05sdiWHY/ONrNpyZPsi/2GzYwKAft/Coc8FeadSK+dAw==
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

2026-09-17T10:05:44.600523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078921
observed 4140eafa313de319ad8cc1c01a648c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.583907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078921/manifest.json
observed 7e9aecd316b116043e0fcb1745a87515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.567524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078921/publication.md
observed 8d5ecb07e3e718bc5b651532b8c8b775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.550461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078921/publication.txt
observed 8966d13118840de2d2f639e6dedcc61a...
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.