OpenTechnical

OT-2026-000066261

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000066261) never changes.

Identity and time

Publication numberOT-2026-000066261 · never reused
Internal UUID01a0ae8e-8dc4-7caf-9b91-9cf185a5e1e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066261
StatusPUBLIC

Content hashes

Canonical text45118059b9737350ef79e9fb571cdfe7ad09099f18b9ef3f0e8234190cb37388
Markdownda23b1946674aaa4705a75449c549fac8385b528cb76048ac61309c583a13456
PDF
Publication page3b4d4ab4bc2d857a3945a9754a0013f66c8dac895ab1efa6121a13a722ad41df
Manifest4cb3bb61432e29f0528f907fbdb16a7f54d17dfc26839dffadc0fda0e8a29f38

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
Signature2wSonI4HcImeuj6F/UqrDNAKjwFkiE5bWa3HCOyUea1+OSLrl8SILS6qt1Yj+TX526uuCe2gKI3OrCIHWPlmCg==
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

2026-09-17T10:33:25.989648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066261
observed 3b4d4ab4bc2d857a3945a9754a0013f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.972353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066261/manifest.json
observed 4cb3bb61432e29f0528f907fbdb16a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.953426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066261/publication.md
observed da23b1946674aaa4705a75449c549fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.935674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066261/publication.txt
observed 45118059b9737350ef79e9fb571cdfe7...
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.