OpenTechnical

OT-2026-000044441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044441) never changes.

Identity and time

Publication numberOT-2026-000044441 · never reused
Internal UUID01a0ae7c-39d7-7939-bf2e-0c7c77c42699 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044441
StatusPUBLIC

Content hashes

Canonical text59e672ec89f676b996a7d9b5b7a25cefc7bc33fc60ec75df9bba8c460174ce49
Markdownae5d30cc91c3c680b53ede3317037134aaad9fea8c65c1789e19c7daaf35ed8d
PDF
Publication pageeffda5b6909e3ba115fb73c7f2eea5f011b763adcc4e2fe37b0d344abf83c6ed
Manifest78e27181beca1eb7e9aad98e58dc02ba861f0edd70df8fe0cce39277657a5b90

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
Signature89oTLG77VdzF34IkCoufKvh2Fhy0w1853twQIzGYPcTZRfNgFTVbEUDOz6ZOXRe60b60/B+7kme7fhsmxe7qDg==
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

2026-09-17T08:30:46.819135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044441
observed effda5b6909e3ba115fb73c7f2eea5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.795443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044441/manifest.json
observed 78e27181beca1eb7e9aad98e58dc02ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.569803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044441/publication.md
observed ae5d30cc91c3c680b53ede3317037134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.550721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044441/publication.txt
observed 59e672ec89f676b996a7d9b5b7a25cef...
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.