OpenTechnical

OT-2026-000012816

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000012816) never changes.

Identity and time

Publication numberOT-2026-000012816 · never reused
Internal UUID01a0ae6d-5563-722f-b19c-9ebc1266e61f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012816
StatusPUBLIC

Content hashes

Canonical text2b691ef01407993d7d4b89400032df44235cc2b8f3d270f38c91c82589d22497
Markdown6a08d5a2838bed14e14e62ab56384e701af3a0b1c5f9138d141ec0c1c236954d
PDF
Publication page3e99427b6b4b994d707c5b0f4c8022f27c9229e50f3f69a0e85dde49978c62d2
Manifesta83e42bb18eafcaa12c0b0aa0e3e110431185ae33d03280bc661e8142093d9de

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
Signaturei9k7sLTF4bVbfUcIrSzG0tm9RX/UgkALob4AvkrbppFm6EksbYcCD0wCIqpK2neiH7uIfQui3F//aKPgY0cuBw==
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

2026-09-17T12:10:32.973702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012816
observed 3e99427b6b4b994d707c5b0f4c8022f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.951695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012816/manifest.json
observed a83e42bb18eafcaa12c0b0aa0e3e1104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.909593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012816/publication.md
observed 6a08d5a2838bed14e14e62ab56384e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.866442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012816/publication.txt
observed 2b691ef01407993d7d4b89400032df44...
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.