OpenTechnical

OT-2026-000088648

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000088648) never changes.

Identity and time

Publication numberOT-2026-000088648 · never reused
Internal UUID01a0ae9b-8f0f-7b12-ba98-7428a4a2744d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088648
StatusPUBLIC

Content hashes

Canonical text90be39704e543fbc729e9f8ed6b6cae9a6478060a0ff4c9f613ab1bcd4e02bef
Markdown1fa6af4e039a3972d2f5c432106e9eca4319f5349d5c4c65095d1153cdea8a5b
PDF
Publication pageceb91336fbfd5bbb34149651eaa921fc9fdc15eb3adf8a6ff375de290a56b6f3
Manifestbbed6be67285f3a07bb7c8ebe85a1ca1c305e5aab737d381a8b946fe50fff031

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
Signature9Ft4dhRbJalQOL8uM1AbACgecApliERqyNwvrKLazPPkbl4uqmujYhQFf5+3EwstZJlF8LsxROET0hJC1q8wAg==
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

2026-09-17T09:47:52.066858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088648
observed ceb91336fbfd5bbb34149651eaa921fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.041723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088648/manifest.json
observed bbed6be67285f3a07bb7c8ebe85a1ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.003026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088648/publication.md
observed 1fa6af4e039a3972d2f5c432106e9eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.971015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088648/publication.txt
observed 90be39704e543fbc729e9f8ed6b6cae9...
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.