OpenTechnical

OT-2026-000104134

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000104134) never changes.

Identity and time

Publication numberOT-2026-000104134 · never reused
Internal UUID01a0aea5-341f-7ecf-a9f2-4b96d4a3eb69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104134
StatusPUBLIC

Content hashes

Canonical texte9ace2a6ecbf6b16e6511e69806b35182be766564f3fe014fbb86edd46348467
Markdownd1b6ad6b2ce0bbcfa3ff0c5a0b5a4598234f50a340bb968602c0e7e506706b9e
PDF
Publication paged90d1761f5dfef227f97078e539e8e901f041bb54cd58bac8a65ecb85d23f44d
Manifestac053122918d120feb587a7edd17489e319b251c847c92bcd2388364925ce434

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
SignatureNef6rjGVCdVa/QQ8kT/5UQjelCuBh4Rdf+EpkTTX6u5noy+WRsrXaSzECPg7OXjD/lzMZ4ullYI1vnormot8Cw==
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

2026-09-17T09:20:12.981429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104134
observed d90d1761f5dfef227f97078e539e8e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.964084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104134/manifest.json
observed ac053122918d120feb587a7edd17489e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.945597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104134/publication.md
observed d1b6ad6b2ce0bbcfa3ff0c5a0b5a4598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.927590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104134/publication.txt
observed e9ace2a6ecbf6b16e6511e69806b3518...
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.