OpenTechnical

OT-2026-000072071

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single 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-2026-000072071) never changes.

Identity and time

Publication numberOT-2026-000072071 · never reused
Internal UUID01a0ae92-47c1-70c7-bc0d-b55907833045 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072071
StatusPUBLIC

Content hashes

Canonical text60f0628ad4374d31970c216cd08e58a86d977f021598fd8c999b2b75e720b035
Markdown10783727c6a835bd878bc48f7f6aa803f28cae5288a626bff84f263cd3a23faa
PDF
Publication pagecdf60acdf9d4ce0793337a901c3801df0712f07a44342259e72d28a5c1b6c665
Manifest0206b6933eb0cd3a9d7f752b1850626077e2a02b0e287a7e05dc91676a40a315

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
SignatureX4b+Pbk2WpSoTUn8YRO3mCdfyby/HG1AluCr+/8CQEoxoz/3W+3i6uEXsM6Cm5L21LZBo92+n2pvRWQB+D3QDg==
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

2026-09-17T10:23:08.699974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072071
observed cdf60acdf9d4ce0793337a901c3801df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.682754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072071/manifest.json
observed 0206b6933eb0cd3a9d7f752b18506260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.665460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072071/publication.md
observed 10783727c6a835bd878bc48f7f6aa803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:08.647945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072071/publication.txt
observed 60f0628ad4374d31970c216cd08e58a8...
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.