OpenTechnical

OT-2026-000076595

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000076595) never changes.

Identity and time

Publication numberOT-2026-000076595 · never reused
Internal UUID01a0ae94-b06e-76b0-b3d8-323e7faaf494 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076595
StatusPUBLIC

Content hashes

Canonical text24c7e2f113c798371085f1c885236107537becfcbb34c553cb8da08ba15ea738
Markdownc7227622fe545211a643d1f50aab7dc6f49d4e6998a6efcd213e8bd137059010
PDF
Publication page25b382aead9e752bcd60380635ec8b998a7f91e4cd280c04f6088879107d0303
Manifest7ba6ed7a27b3c969f8549999168b3ae423beff3e8580fb1d80f83672ef8ee1e7

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
Signature40bq4KkwIseis+sgvH8BPcmIZ0IdFkxCCTw2l9vrnCl6usNcjaF8VyF4o/trKxYidp2W3n/1zYrwhueb1FuoDA==
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

2026-09-17T10:09:14.285041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076595
observed 25b382aead9e752bcd60380635ec8b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.265632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076595/manifest.json
observed 7ba6ed7a27b3c969f8549999168b3ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.195680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076595/publication.md
observed c7227622fe545211a643d1f50aab7dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.047259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076595/publication.txt
observed 24c7e2f113c798371085f1c885236107...
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.