OpenTechnical

OT-2026-000099251

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099251) never changes.

Identity and time

Publication numberOT-2026-000099251 · never reused
Internal UUID01a0aea2-8289-75b5-aeec-6912e75a5def · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099251
StatusPUBLIC

Content hashes

Canonical text37105cb652f2bd55f5472effcfcce6f786060eedd57102a41827639d3bff766a
Markdownf7a5a89e1556fdbf1876c6359dde8e63718ee22146dca5454cb03be78d6f4e77
PDF
Publication page5b8e8345bc22c00ff233b3e7e9974810ae726d8b21dbfd3c357e4681d6d8a7df
Manifest58ae6c4efeb00bfbb6b5a14cbfb1608be62f95defc7de6d15e2847e79d5a51db

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
Signature/OiBA2xUEV083MoZMuGFCJlwlelxe3lO8C0Elj45Q3YEf//qJjEm5QhlP6z551gmzLp5M2YR7vulUToCKjZoBw==
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

2026-09-17T09:30:41.526358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099251
observed 5b8e8345bc22c00ff233b3e7e9974810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.506788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099251/manifest.json
observed 58ae6c4efeb00bfbb6b5a14cbfb1608b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.489788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099251/publication.md
observed f7a5a89e1556fdbf1876c6359dde8e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.468968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099251/publication.txt
observed 37105cb652f2bd55f5472effcfcce6f7...
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.