OpenTechnical

OT-2026-000034554

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000034554) never changes.

Identity and time

Publication numberOT-2026-000034554 · never reused
Internal UUID01a0ae76-1ed0-7402-bd65-b3270cd2d9da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034554
StatusPUBLIC

Content hashes

Canonical text12510d678f88383408dcc533c9fcf48d84961823d513709797f95d1e44e86578
Markdown0f120cee3eaefe83acb536dbe778ab0b4d2d02b2c157a7fba7dbe16e78b121aa
PDF
Publication page94d5e28ee72c44e074c282e95380e261f7fb1365a2a762e5203f55c70bb1a6d9
Manifestd733b9a45bd6a5d86d79e2abe448a0f27d2edaaeb5abe42c6f3c6e8243509102

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
SignatureCgr1V7oOGxFcj7ZMz7Bt/bjSSiYT284K41+Wfx7QbgjFx8FV1i0QCo/7dXnjQWyFZsdfHsxdXePbze0bEnSTAQ==
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

2026-09-17T11:28:55.057001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034554
observed 94d5e28ee72c44e074c282e95380e261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:55.031432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034554/manifest.json
observed d733b9a45bd6a5d86d79e2abe448a0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:55.013395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034554/publication.md
observed 0f120cee3eaefe83acb536dbe778ab0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:54.996123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034554/publication.txt
observed 12510d678f88383408dcc533c9fcf48d...
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.