OpenTechnical

OT-2026-000019676

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000019676) never changes.

Identity and time

Publication numberOT-2026-000019676 · never reused
Internal UUID01a0ae6f-1fb3-7d18-888e-6e686af94137 · 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-2026-000019676
StatusPUBLIC

Content hashes

Canonical text20256062418a79c0f9ba4c7f3775188f3b6e88e8542da537d4d733169ba45b55
Markdown551ee62ba9bab4a1f32ec428048e6aa57adabceae0364d117d0701a27c5b4111
PDF
Publication page9a8bbc4769a1bcc2232f2d65bed374d68cf5c92796d9f5d2ab8439fd771c09c0
Manifest5c66b13cee26c00e9a9ce343820e8b9e9f59590737369e2c106e755f05bfce9b

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
SignatureorvU5M+TGwKBLBoxQd+DeELsXkSvsTREXOGJXg6hkZ3F3yIk2KfpD3c77Ug22b3BIVwUsnFep/ZO1xm21PpcCg==
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

2026-09-17T11:57:44.791348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019676
observed 9a8bbc4769a1bcc2232f2d65bed374d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.774871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019676/manifest.json
observed 5c66b13cee26c00e9a9ce343820e8b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.757344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019676/publication.md
observed 551ee62ba9bab4a1f32ec428048e6aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.738852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019676/publication.txt
observed 20256062418a79c0f9ba4c7f3775188f...
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.