OpenTechnical

OT-2026-000023464

Publication integrity record

Single bellows cup vacuum gripper, pump 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-2026-000023464) never changes.

Identity and time

Publication numberOT-2026-000023464 · never reused
Internal UUID01a0ae70-7269-7e6e-ab3b-49a07a62994a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023464
StatusPUBLIC

Content hashes

Canonical text755b9a00db6af0228edbbdc2ca6ad7492be076b7ac5f2cdbd54b0c01be212442
Markdowncf997f60878972bd0ed6c23c710ac854f0a0473ac9c66a1c2ba0b9b726d4c669
PDF
Publication page90b2ab72afd0b8894f3fd6aa21239ffab7287053063df6f4a7aef8c9d176a42c
Manifest04bce70aad91b2ca7dad031b7432a7129ad765bd17280632036244f41a4428de

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
Signature2xB0ciADjVXUwzkOyea0jkcIZW2vnKvfxbWqu328UPWXXCNZqnXd2Bjn+yud+fbhw7i7zbxUnixpacxmXWL4DA==
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

2026-09-17T11:51:41.103699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023464
observed 90b2ab72afd0b8894f3fd6aa21239ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.087869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023464/manifest.json
observed 04bce70aad91b2ca7dad031b7432a712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.071740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023464/publication.md
observed cf997f60878972bd0ed6c23c710ac854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.051962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023464/publication.txt
observed 755b9a00db6af0228edbbdc2ca6ad749...
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.