OpenTechnical

OT-2026-000021724

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021724) never changes.

Identity and time

Publication numberOT-2026-000021724 · never reused
Internal UUID01a0ae6f-bb59-7be3-ad0a-cb620d37233a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021724
StatusPUBLIC

Content hashes

Canonical text65d49ffdebfdea7f89fd3415944a64333a2586adb68826f46d9c59c14073e18b
Markdown7d003a68d834c54e546c23371a4570b6bc42d513e622075c1c709879e5cee981
PDF
Publication page63d9d0054f1c4fdbdc33da97e1d82a21f3eb3206b575bd27574162b7eea922e1
Manifesta76f93093e5024d249327506f352b860efb4579dbcedf098847fbd8d3a3cb96f

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
Signaturebt50wJunCKu0phj4NtvheAAGG0Ra76UwfcEfHlDL/Ih7tHnT3mgsy3yiBccnACUSJN9mmRoKei2kELD4nQtmCA==
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

2026-09-17T11:54:15.874564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021724
observed 63d9d0054f1c4fdbdc33da97e1d82a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:15.815753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021724/manifest.json
observed a76f93093e5024d249327506f352b860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:15.793146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021724/publication.md
observed 7d003a68d834c54e546c23371a4570b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:15.755798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021724/publication.txt
observed 65d49ffdebfdea7f89fd3415944a6433...
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.