OpenTechnical

OT-2026-000050622

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000050622) never changes.

Identity and time

Publication numberOT-2026-000050622 · never reused
Internal UUID01a0ae82-5c4a-75c5-b376-eee7fef87b0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050622
StatusPUBLIC

Content hashes

Canonical texta8d1e1cad59b9181299d77f7512baf3df76a53639d4607093096dc4c882dc917
Markdowne47d9531e6d6885aa5f6a2c5fe6f3b9ae158dcabbc0e72a2877b65927ced992c
PDF
Publication pagea3fb1984d1f33a65a510822c6c3b6dbfe5582a3a2ece6d05f66a010d0ca726c4
Manifestf348a78d750963afc8011490c87b2b30071434fe09267bc8291e3adff9df9d76

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
SignaturefsEMJd7kbmyIrItNI+qXP2clPYplSbJ/7SUiHQSgLV3aThIvO2LdOrf/EfzIFW3mbCtI6NwytoSrK7MVxtjvBA==
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

2026-09-17T11:01:44.096424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050622
observed a3fb1984d1f33a65a510822c6c3b6dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.078603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050622/manifest.json
observed f348a78d750963afc8011490c87b2b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.060234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050622/publication.md
observed e47d9531e6d6885aa5f6a2c5fe6f3b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.042411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050622/publication.txt
observed a8d1e1cad59b9181299d77f7512baf3d...
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.