OpenTechnical

OT-2026-000009139

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000009139) never changes.

Identity and time

Publication numberOT-2026-000009139 · never reused
Internal UUID01a0ae6b-31b9-7aa9-9aab-b41ef893b239 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009139
StatusPUBLIC

Content hashes

Canonical text120bfcd5fb054a434cf96004283ca7b92c31c11bccdcd3317bf7d71f1f02b5b6
Markdownca6d1a4b556fdc933f7d36de6c3eb522fa131ccdcf731d9e390518540a23d02a
PDF
Publication page68ace196bb7980f8806bef4450a4f46c97d219083d7b80db3f98729c87590549
Manifest578c0998addd817ea06d119968e7084c8f191e4c28bdc2b9267f91fb77b9ba01

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
SignatureN9TC/tqzrE4B5qKibyU2f6SDvqLtDrJZOphIap6DWRyl3PWIKwk6YF6vgtGzjGhT4wa1NbhrRSreJkrirpP/Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:50.132134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009139
observed 68ace196bb7980f8806bef4450a4f46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.111555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009139/manifest.json
observed 578c0998addd817ea06d119968e7084c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.089594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009139/publication.md
observed ca6d1a4b556fdc933f7d36de6c3eb522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:50.068170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009139/publication.txt
observed 120bfcd5fb054a434cf96004283ca7b9...
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.