OpenTechnical

OT-2026-000069494

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069494) never changes.

Identity and time

Publication numberOT-2026-000069494 · never reused
Internal UUID01a0ae90-b52b-776c-8f7b-2a00b16b7637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069494
StatusPUBLIC

Content hashes

Canonical text5cb2ea1ea7055591dd2e21c0ae01db255294cdbf3df36e571e71ede5e31df301
Markdownb68cd22237dbbb10ab5c87e2107f4b5aeb6de5edb37eda2a9a72c4a7af8e38f2
PDF
Publication pagea394f6ef8ec8c4b8352b3fcfccd02365e47612b0f18850b392b7a877771dd583
Manifest6b6ac0bf9597d306c0db8da6de7c82f985f75d98cb672c82d30a5ab4e0875355

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
SignatureZs9CbPyC4tLP4Ph/oRqC3feESYxaciSHAXUQGZMqHWyiBtX23eznlKGlXRjfC/VoNWy1XEstTKtM+Z09l0AeDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:34.578990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069494
observed a394f6ef8ec8c4b8352b3fcfccd02365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.560695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069494/manifest.json
observed 6b6ac0bf9597d306c0db8da6de7c82f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.542781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069494/publication.md
observed b68cd22237dbbb10ab5c87e2107f4b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.526519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069494/publication.txt
observed 5cb2ea1ea7055591dd2e21c0ae01db25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.332838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069494
observed a394f6ef8ec8c4b8352b3fcfccd02365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.314003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069494/manifest.json
observed 6b6ac0bf9597d306c0db8da6de7c82f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.294731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069494/publication.md
observed b68cd22237dbbb10ab5c87e2107f4b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.276292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069494/publication.txt
observed 5cb2ea1ea7055591dd2e21c0ae01db25...
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.