OpenTechnical

OT-2026-000101035

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000101035) never changes.

Identity and time

Publication numberOT-2026-000101035 · never reused
Internal UUID01a0aea3-c377-7fba-bdd6-3c8a17f64a0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101035
StatusPUBLIC

Content hashes

Canonical text927643402fcc85321bd1a26774d60bdc3d6068e5c52c0a102dfcc6a97625347d
Markdown232d4d79142817d9a313f2c9e527e8c24c90bdd16e957efb99c452bdd11c3583
PDF
Publication page5cd86a68add01b5d727c017468707774ee6e22275be5b464a96a5daecd8b07d0
Manifest2181bf4450ac3fdeb2e60213febf684f93ae43704b0c3850ddc9c2fa7e769770

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
Signaturep7PeKP3CdM8HV1WOVpIkYkKx6h3catIe4K2Xsf29KDmNEKIlhn3Ca6kujJKaVOnPsMD3+nkIi+DrTWBxwc+yDQ==
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

2026-09-17T09:26:38.553792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101035
observed 5cd86a68add01b5d727c017468707774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.536842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101035/manifest.json
observed 2181bf4450ac3fdeb2e60213febf684f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.518409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101035/publication.md
observed 232d4d79142817d9a313f2c9e527e8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.499940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101035/publication.txt
observed 927643402fcc85321bd1a26774d60bdc...
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.