OpenTechnical

OT-2026-000069913

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000069913) never changes.

Identity and time

Publication numberOT-2026-000069913 · never reused
Internal UUID01a0ae91-1860-7fe2-b818-c1918243084a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069913
StatusPUBLIC

Content hashes

Canonical text5154aee76c3e31d753fbc9d035c0c8f50318d0e487effdf65e6e9be2b38013ff
Markdownb831449d72cc39945e2cd9107166a8db347a8f8f61f4c2114c35c35a1f15b825
PDF
Publication page03156fc1311c49d0122559c3c087efd898c737c7ef208b971660d1bfd7353e7c
Manifesta5f3b74ae75159289dc9b4e2cad1b3f3fe07001f33e702a3f445fa0c40838f51

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
SignatureeEtvVqbYXA1ux8AVxPBWtUAL2Jgtzk4K3d0D27bfN/BkZOaS2HhI0ILsWTu/pUTUAHXyJkMRbmQ5H72Y9A0fCg==
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

2026-09-17T10:26:50.984490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069913
observed 03156fc1311c49d0122559c3c087efd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:50.965860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069913/manifest.json
observed a5f3b74ae75159289dc9b4e2cad1b3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:50.947053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069913/publication.md
observed b831449d72cc39945e2cd9107166a8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:50.926874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069913/publication.txt
observed 5154aee76c3e31d753fbc9d035c0c8f5...
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.