OpenTechnical

OT-2026-000084248

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000084248) never changes.

Identity and time

Publication numberOT-2026-000084248 · never reused
Internal UUID01a0ae98-5b60-7a18-a5a1-0bfede3ae960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084248
StatusPUBLIC

Content hashes

Canonical text5234d5e51c3fe54ec5d98907678d6513eff1c7392b792cc3db9ab3ea7080cb10
Markdownb25f5c28ead5cc3332ecdde97d729ceeb7e1b7aab367865052deebfc25987479
PDF
Publication page9d13b62dcdc80291eb3414a5a2a487fe80cac3471de4a009fab5432cf2c1cc6c
Manifest4e1997b242bb7dba4247e9a961d037a5c88825bc06dd1b016dfbaae7c7e2d655

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
SignatureDP129edvk9hsGgnya8dJ4G2wpv/EoSMOYGMRnOWzkbJDqXqrRsdW3HoYozkwaZNlkNnxZBNXK3gTMVeARkaVDA==
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

2026-09-17T09:56:09.165408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084248
observed 9d13b62dcdc80291eb3414a5a2a487fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.148689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084248/manifest.json
observed 4e1997b242bb7dba4247e9a961d037a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.129789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084248/publication.md
observed b25f5c28ead5cc3332ecdde97d729cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.111078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084248/publication.txt
observed 5234d5e51c3fe54ec5d98907678d6513...
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.