OpenTechnical

OT-2026-000069440

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069440) never changes.

Identity and time

Publication numberOT-2026-000069440 · never reused
Internal UUID01a0ae90-b52a-7c58-bf08-9d30c02d78c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069440
StatusPUBLIC

Content hashes

Canonical textfe966134c729310060511e666f77dc999f249aed9c12d64a4ec580f6d2280249
Markdownd84fe3d38f719c7e7803e4cfcc3a9c0e60fde3d27ad4ad32c5b52b4d98a00922
PDF
Publication page08c1605829a043933734aefe079fd21dc6bc2a98f138fbe8a62c28f62ca060f5
Manifesteb998d4b7590e8a704b64be86fe1eeb19bd72b125b80c8a58a9f8086ad4c1cfa

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
SignatureI3snS2Vy9pPvqKnpSzUh6AzbTLYhfcd8SVdthmkdp1XkkRBSB0S6YFLR3SDHeYyxucEtG1kAHHaFBxAibP/PDQ==
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

2026-09-17T10:30:30.527610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069440
observed 08c1605829a043933734aefe079fd21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.507181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069440/manifest.json
observed eb998d4b7590e8a704b64be86fe1eeb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.488401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069440/publication.md
observed d84fe3d38f719c7e7803e4cfcc3a9c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.468741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069440/publication.txt
observed fe966134c729310060511e666f77dc99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.467894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069440
observed 08c1605829a043933734aefe079fd21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.449649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069440/manifest.json
observed eb998d4b7590e8a704b64be86fe1eeb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.433517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069440/publication.md
observed d84fe3d38f719c7e7803e4cfcc3a9c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.415176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069440/publication.txt
observed fe966134c729310060511e666f77dc99...
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.