OpenTechnical

OT-2026-000026750

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000026750) never changes.

Identity and time

Publication numberOT-2026-000026750 · never reused
Internal UUID01a0ae72-3451-7d59-84b4-2ca21ff6ce45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026750
StatusPUBLIC

Content hashes

Canonical text68a8871cb61ab60253027636d149d7f06467c133f19ed2e5236de291bd734e6d
Markdown1134926b631c0ddbb2bf3ab42b91e223520516c903cafa63d8bc6ad759d7df38
PDF
Publication pageee5e7cad2e9bee5f271e943df15434e6afb6a6b543ad2d1a2a2784630e85b5f1
Manifest624aec30cbd1fb0f45fccdae7908c29f39f89761bf1c5f3cbfa0e5b9111c61c8

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
SignatureK+07sqtWhZQyOtnsiR+CjGL9NctsIKeU5dOpLNbuS0h4xkWH450KudS9UfSSmhl64Ql542nxVTkYwJU+/a1+Cw==
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

2026-09-17T11:43:19.111812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026750
observed ee5e7cad2e9bee5f271e943df15434e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.092546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026750/manifest.json
observed 624aec30cbd1fb0f45fccdae7908c29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.998825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026750/publication.md
observed 1134926b631c0ddbb2bf3ab42b91e223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.982541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026750/publication.txt
observed 68a8871cb61ab60253027636d149d7f0...
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.