OpenTechnical

OT-2026-000081430

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000081430) never changes.

Identity and time

Publication numberOT-2026-000081430 · never reused
Internal UUID01a0ae96-f375-7157-a9bc-a4d518ff38e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081430
StatusPUBLIC

Content hashes

Canonical textd4ae9359c6ee6cf74fe17919f51a68db70fcb08e9ded811dc5976d3f2c5cb708
Markdown383ea4a4b0bc4c33b4fffc9f34c7c3b8f892562750eee8119047f0b246286ffd
PDF
Publication page44817bc834ba53129daf7abfea3ad25d8b3def386727eecfefe5444c9f30a709
Manifestea527605fb933247f04fdef0a46a446963bcab148c1bb5490b37735cfd7eed60

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
Signature+hE+27a8afXsCAPUWXhorJIpM79Z7dwmiuebl7qPMrtDiBaXjAAH+oSWYCFO1YPHX+mJGjftxCcmWVk3VnevAw==
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

2026-09-17T10:01:35.171257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081430
observed 44817bc834ba53129daf7abfea3ad25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.153032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081430/manifest.json
observed ea527605fb933247f04fdef0a46a4469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.134717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081430/publication.md
observed 383ea4a4b0bc4c33b4fffc9f34c7c3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.116186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081430/publication.txt
observed d4ae9359c6ee6cf74fe17919f51a68db...
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.