OpenTechnical

OT-2026-000011157

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, vented after 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-2026-000011157) never changes.

Identity and time

Publication numberOT-2026-000011157 · never reused
Internal UUID01a0ae6c-540f-710f-a6d6-f3fd4eb5e4a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011157
StatusPUBLIC

Content hashes

Canonical textd8e5a01dcb98c5b6d5068689593fd60c339b333c9135eb8e40ed3baf47314c02
Markdown0f1550cf9399c03cc0aef4b01f677050021baf0ccd648f5fa81b1db62c66852d
PDF
Publication page956c1999f3a967f0e417b0a80de8b7273ca40b066f612f60c9bf4bc4dd440a37
Manifeste7a6edcce1d7ffff502dfd056c9d315cae10d4cf4f95a30bc190b1d200417790

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
SignaturebjlB81YeC7Kk7dvZ993TTt7OE44nG9PLJcBnUa96jgrNzbqPbO+P3+k7mrGMN2Ga2f+cufqqUcbNLrFIEo30CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:05.429376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011157
observed 956c1999f3a967f0e417b0a80de8b727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.408095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011157/manifest.json
observed e7a6edcce1d7ffff502dfd056c9d315c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.386475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011157/publication.md
observed 0f1550cf9399c03cc0aef4b01f677050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.364543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011157/publication.txt
observed d8e5a01dcb98c5b6d5068689593fd60c...
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.