OpenTechnical

OT-2026-000016890

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000016890) never changes.

Identity and time

Publication numberOT-2026-000016890 · never reused
Internal UUID01a0ae6e-591a-7132-ac31-63cb5f93ec7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016890
StatusPUBLIC

Content hashes

Canonical text8c5700f2ed2c7b0f4392de45c6c792436dd87d9e55d4fd5dee51e1f417c06777
Markdownbd70f4536390661aa12c6266b12fb153985862453afd57379aaf03409690f008
PDF
Publication page17da0de9eff39b82f78827adb919b2c184bd54faddfbe2b831fbe1719e56c100
Manifest31a82bff12b851c0140fc3fe9465c23b0eb3ab06252f7a5f6ba5b6146875a9d2

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
Signature240TTaV31esSW6if9vidHCuCJ7e9zN7zal8w2TPaF6CPRsnGeo/4JOEEaejsfIqd7NCjomPa8QHgRdDgBcnJDg==
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

2026-09-17T12:03:09.803371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016890
observed 17da0de9eff39b82f78827adb919b2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.787165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016890/manifest.json
observed 31a82bff12b851c0140fc3fe9465c23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.770279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016890/publication.md
observed bd70f4536390661aa12c6266b12fb153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.752971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016890/publication.txt
observed 8c5700f2ed2c7b0f4392de45c6c79243...
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.