OpenTechnical

OT-2026-000020060

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000020060) never changes.

Identity and time

Publication numberOT-2026-000020060 · never reused
Internal UUID01a0ae6f-1fb8-748b-a2d1-4071372b3f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020060
StatusPUBLIC

Content hashes

Canonical texte1f3fc935c29087278d42b9705902d6803fe6e3b35c9bb8db4cfd31075ae506e
Markdowna125713228f6688ea9c7f7df0d2abd98ec2a65034dcbfc8dbb1e89c3fb335947
PDF
Publication page55505ba990b39433a94c0f3bf65cc162ddc741d067112acf211747daf481af7f
Manifest7dd6359e86ea923a0469fede6696d1fe944fd5e4fb397bcf6bef40b333d54db5

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
Signature+9efTbSRzkHu0TqTEBQxuTmb7Kp/Vemvp6Ucp7fULY7jvLrg5VIGcDN9MEBvpSP2kbWqspgKptiihR2MhHA+DA==
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

2026-09-17T11:58:19.833665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020060
observed 55505ba990b39433a94c0f3bf65cc162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.813639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020060/manifest.json
observed 7dd6359e86ea923a0469fede6696d1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.792604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020060/publication.md
observed a125713228f6688ea9c7f7df0d2abd98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.774968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020060/publication.txt
observed e1f3fc935c29087278d42b9705902d68...
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.