OpenTechnical

OT-2026-000041499

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000041499) never changes.

Identity and time

Publication numberOT-2026-000041499 · never reused
Internal UUID01a0ae79-e89f-7001-8687-1e37b2eb6802 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041499
StatusPUBLIC

Content hashes

Canonical textc8c4d17d3e377f6b807717b4de31b3f62c383be3d5059a3aece1d302515e087c
Markdown3c0e85fd9851b38431b1e7a207f0c0a359bc0132ab6676370cb354b9f1436239
PDF
Publication page8f2708085bd9574de032689101c5de454ba81a61ccca96c6bb2b2e98eae4745a
Manifestf4b1bea36c163a58e771fe5ebec96d557ef3122816032d40ae833e2bcd1bd373

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
SignatureFnD0XY1cXUPAiEceSv/H1OYePQjDYC4nOvBt3X/33k7jyROr/mLmM4hl8ouG/XAKEK780lk1CA1ruqngXQs+CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:15.874520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041499
observed 8f2708085bd9574de032689101c5de45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:15.857089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041499/manifest.json
observed f4b1bea36c163a58e771fe5ebec96d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:15.836762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041499/publication.md
observed 3c0e85fd9851b38431b1e7a207f0c0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:15.818604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041499/publication.txt
observed c8c4d17d3e377f6b807717b4de31b3f6...
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.