OpenTechnical

OT-2026-000034423

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000034423) never changes.

Identity and time

Publication numberOT-2026-000034423 · never reused
Internal UUID01a0ae75-df0f-7128-aaf8-0c7e261319ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034423
StatusPUBLIC

Content hashes

Canonical text08fc06e83cc98ecc4742096ce7e919ec2077feb219f32ce2a9fbcc456c8bfccc
Markdownbf3d23fe01e6cec91d28ca4960c0e2be673d14df7f2a6b3896df1382a38dc49f
PDF
Publication page4762be2126309fb6363790b9183dfe0eb2a96edeee6400fd487ad893ac66806c
Manifest9a7faaff8f7e04fd9bb4adeb7635117ad1bb667ade8fba0df325e8acb5957100

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
SignatureTuLUxrh8eon17dZc2W8qMlu8zuByC42hV9roPbQOOOxhOR/CPbGDs7KCi0UaAF7udadSLmZOhDiENoOQej1CDw==
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

2026-09-17T11:31:08.823554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034423
observed 4762be2126309fb6363790b9183dfe0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:08.804613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034423/manifest.json
observed 9a7faaff8f7e04fd9bb4adeb7635117a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:08.788777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034423/publication.md
observed bf3d23fe01e6cec91d28ca4960c0e2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:08.772051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034423/publication.txt
observed 08fc06e83cc98ecc4742096ce7e919ec...
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.