OpenTechnical

OT-2026-000066727

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000066727) never changes.

Identity and time

Publication numberOT-2026-000066727 · never reused
Internal UUID01a0ae8e-ce42-70cf-99a2-a957c3984d98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066727
StatusPUBLIC

Content hashes

Canonical text6187b4bbf168544ef66e81b9e8439d4fa399b961dd8714baa92271813f9bc416
Markdownf2b681411d1f19afa17d8931ce4bd5ecdb74d4429aaac2a5555a5cf673d0c55f
PDF
Publication paged2a3841079d714b325c84d7186d4d35d449fcb5245d772013a24086bb62ec858
Manifest790366d6ff273f0d41e9c18b8cb9dbc16b620ed742ca578fb9764bb72ad4ba23

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
Signature4x0Ser9URIcg4rLJcQ1ZbafC5ukOkpkb41VOaEfkz5CBebuTardYGliECY1KP3CVnLMsLGlPPYQHAxJWLj0kCw==
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

2026-09-17T10:33:07.977161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066727
observed d2a3841079d714b325c84d7186d4d35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.959347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066727/manifest.json
observed 790366d6ff273f0d41e9c18b8cb9dbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.942391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066727/publication.md
observed f2b681411d1f19afa17d8931ce4bd5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.924759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066727/publication.txt
observed 6187b4bbf168544ef66e81b9e8439d4f...
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.