OpenTechnical

OT-2026-000066254

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000066254) never changes.

Identity and time

Publication numberOT-2026-000066254 · never reused
Internal UUID01a0ae8e-8dc4-7427-b013-7ae780da53ce · 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-2026-000066254
StatusPUBLIC

Content hashes

Canonical text53cd35cd4afd3fd08bf0f6f1dd68e6cd2352aedb5c26a533f6f3c8b21f9d3dce
Markdownc6d900f72b7393c56353d53e53e2413d342cb4cf26d5289fc01fcfa607780568
PDF
Publication page380a2c998cd471fd647578b2895c4919c1c749f60bf0edae440f2675ca8195c0
Manifest421eaa613ecef39fcbbab893308a79a4bdc8c234ad59f3092034510ccc5350cd

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
SignaturePV4JqLHfedQlsvqluQ+LO6G+SZmEpQdfnQWnGPCnZ+pgE95/ExoQ9+g2Hg7RKMUm5aWVBMsIFUyrgP5tpuA5Ag==
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

2026-09-17T10:33:25.465712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066254
observed 380a2c998cd471fd647578b2895c4919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.448335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066254/manifest.json
observed 421eaa613ecef39fcbbab893308a79a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.431452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066254/publication.md
observed c6d900f72b7393c56353d53e53e2413d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.411844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066254/publication.txt
observed 53cd35cd4afd3fd08bf0f6f1dd68e6cd...
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.