OpenTechnical

OT-2026-000095883

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095883) never changes.

Identity and time

Publication numberOT-2026-000095883 · never reused
Internal UUID01a0ae9f-fac7-727d-b009-294c5cc25a97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095883
StatusPUBLIC

Content hashes

Canonical textc8b7106ef9bb85876c152fa595ae99484c201426f286f3ac4e58cb9ddb14e566
Markdownd91ea09bb03858ddfb81a5cc2a267c30728df242692a3f1e7ee8c9e2f1d8642e
PDF
Publication page113e8c46bfcc794306ee665cdd2176c57b5a92d140dd00906653f2b96d44a113
Manifest8095e4918bd8a020e9c70f48731c5215ed7b233eb0265f5c9884bb6425731a1d

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
Signature3BLBeN5TeunmlebxOrb5kKko9MTp7hOiP3n8zZ3L/uBgrXIBcA9+AnCDhbOKs7KjB1ExadSWGzzO4nYtnOZcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:58.434355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095883
observed 113e8c46bfcc794306ee665cdd2176c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.415835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095883/manifest.json
observed 8095e4918bd8a020e9c70f48731c5215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.400511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095883/publication.md
observed d91ea09bb03858ddfb81a5cc2a267c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.383051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095883/publication.txt
observed c8b7106ef9bb85876c152fa595ae9948...
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.