OpenTechnical

OT-2026-000015777

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000015777) never changes.

Identity and time

Publication numberOT-2026-000015777 · never reused
Internal UUID01a0ae6e-0c4c-7b37-99f6-78aa0c4e85a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015777
StatusPUBLIC

Content hashes

Canonical text9634cab6169b571dfcf03a1b5bf72b0e5fafd4a1bfd5a852337b6488875bdea2
Markdown931c68601fd3be66b05c87792e45497ca576bc08b07b9370727799e1ca92ec79
PDF
Publication paged63dbc8034a5e47a71c0d08773a0c3b410cc1fa3bb1cf302107cad8cf18d446e
Manifest9c2608d1086850eb19a5ae68d2e952f6600ae99db6d3cb5707bf6b7c2ea6e792

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
Signaturec8hrKlN73ukzbSQLgBlUXk6XQFqQoROig9lfCCYhPPPJ+WYiLYR5Q/jzfGqQfF3ptNIgjfNWcxEh1ZqDy7WMDQ==
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

2026-09-17T12:05:04.664214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015777
observed d63dbc8034a5e47a71c0d08773a0c3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.648672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015777/manifest.json
observed 9c2608d1086850eb19a5ae68d2e952f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.631743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015777/publication.md
observed 931c68601fd3be66b05c87792e45497c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.613524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015777/publication.txt
observed 9634cab6169b571dfcf03a1b5bf72b0e...
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.