OpenTechnical

OT-2026-000100664

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000100664) never changes.

Identity and time

Publication numberOT-2026-000100664 · never reused
Internal UUID01a0aea3-66f3-7ef7-81e4-c9b0adcfd65a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100664
StatusPUBLIC

Content hashes

Canonical text925509a51e0f4b0d54099c2441661c4d2adf33406a372753f61fb5ec654d0c1b
Markdownd7f60c1c5b53d320e03fad905214ce554984f962bff3ff9e8e85e7924a6c4cec
PDF
Publication pagede006ac1da01a8874b681eb30828e5c7668d4ebc7bb722cb45ac0d98d6f0810e
Manifestc072754fc36a76d8c8300eb5f449d273cedd84041396e3c293790d92be5aa9a5

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
SignatureZana6Yyxt9Ta63ObeoTnzyPIPnTJ0g65VdUJY4lWsDo7D2B2NFpeNRDz94/D3Wtgjbv0TZJv6ADs1qdJ7YHODQ==
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

2026-09-17T09:27:28.402214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100664
observed de006ac1da01a8874b681eb30828e5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.386596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100664/manifest.json
observed c072754fc36a76d8c8300eb5f449d273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.368760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100664/publication.md
observed d7f60c1c5b53d320e03fad905214ce55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.349348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100664/publication.txt
observed 925509a51e0f4b0d54099c2441661c4d...
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.