OpenTechnical

OT-2026-000085202

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000085202) never changes.

Identity and time

Publication numberOT-2026-000085202 · never reused
Internal UUID01a0ae99-43ba-7f68-bf7c-601188e6bace · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085202
StatusPUBLIC

Content hashes

Canonical text622d99c75c9955cdbd83406dab6d1b6da8d5ea5ea16e5960095c55ef9818490c
Markdown03598f12d4de491045c6b65ebd2e4ab66ddf2e2312ae3e65e0d70cf9ff26d8a5
PDF
Publication page66a8fbe4991f790786350e37deab02da45d346b5937b079df9e21bcf7e0006e8
Manifestd0f563229b46423d7e5b71da79e52e18748def7e8b2c67d9e9d86ed2963bceea

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
SignatureB1RoWATclM9Ovsg0HLb3uL/N7GyY/f6J/3C50jt3WA6zqN3eccUfZ2+gv4sRuPU3Eomyvu2RcVmB6PW8Wao0BA==
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

2026-09-17T09:55:17.519450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085202
observed 66a8fbe4991f790786350e37deab02da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.500228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085202/manifest.json
observed d0f563229b46423d7e5b71da79e52e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.480634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085202/publication.md
observed 03598f12d4de491045c6b65ebd2e4ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.461572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085202/publication.txt
observed 622d99c75c9955cdbd83406dab6d1b6d...
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.