OpenTechnical

OT-2026-000020506

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000020506) never changes.

Identity and time

Publication numberOT-2026-000020506 · never reused
Internal UUID01a0ae6f-437c-734f-9e42-7c1dc715c4d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020506
StatusPUBLIC

Content hashes

Canonical text668968dda7c4d47884930b4eac6d7549ce83829b75084d51fb3e1fc6ebb74304
Markdown6f9cdc57ec3348443596088fa21782b56911e2dd66c08ffb781f16a4eec2c824
PDF
Publication page8e2dcbdd763316c7b8bdf11665e670ee5664355426d85036134d5e0d4f198eff
Manifestc95755b46d97e6cbab9642df783a18ca83bda8ab036159607c1947b7c26ff3f6

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
SignatureyMNcr/guuGWlItfniDlJJh0OnsybZeL3nMVBDYeV/WJGMx8miBibeFhZU/Cp1Qg7w0+YhPSCHBkY5SKDcoIUBQ==
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

2026-09-17T12:00:28.095279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020506
observed 8e2dcbdd763316c7b8bdf11665e670ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.077134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020506/manifest.json
observed c95755b46d97e6cbab9642df783a18ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.057801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020506/publication.md
observed 6f9cdc57ec3348443596088fa21782b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.039897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020506/publication.txt
observed 668968dda7c4d47884930b4eac6d7549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.142997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020506
observed 8e2dcbdd763316c7b8bdf11665e670ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.127495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020506/manifest.json
observed c95755b46d97e6cbab9642df783a18ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.109979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020506/publication.md
observed 6f9cdc57ec3348443596088fa21782b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.092829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020506/publication.txt
observed 668968dda7c4d47884930b4eac6d7549...
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.