OpenTechnical

OT-2026-000028132

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000028132) never changes.

Identity and time

Publication numberOT-2026-000028132 · never reused
Internal UUID01a0ae72-a520-759e-b3c7-34ce57d43925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028132
StatusPUBLIC

Content hashes

Canonical textc05fdf13a0e1ee0906cc5778dbaf648a35bec8c08577800ee5b4280250e7095f
Markdown8a60fea47de27823b160d7b358a6b7abb5bad542d91d78c0868bdd0ebcbfcdae
PDF
Publication page06e8ffd8cef05a1739ef4cd9a56ec42691793abadab0e78ad8ee62158e057bac
Manifest3ff8ace31760b79eeeb9cda6a04235474195379577c5e0a7380ce87fadf2086f

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
Signature9NrFR93n4Grnhz/rN6aLJ2qiEQuUbrafJaUu6D6GMmdT81w7PeoOl4ZOmdX2PGEbs3pp8zxWM/2z0mPr7Y95Cg==
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

2026-09-17T11:42:29.088937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028132
observed 06e8ffd8cef05a1739ef4cd9a56ec426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:29.071934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028132/manifest.json
observed 3ff8ace31760b79eeeb9cda6a0423547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:29.054769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028132/publication.md
observed 8a60fea47de27823b160d7b358a6b7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:29.038059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028132/publication.txt
observed c05fdf13a0e1ee0906cc5778dbaf648a...
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.