OpenTechnical

OT-2026-000012535

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000012535) never changes.

Identity and time

Publication numberOT-2026-000012535 · never reused
Internal UUID01a0ae6d-39f7-7097-8118-8ee90209bb69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012535
StatusPUBLIC

Content hashes

Canonical texta89ef2589ac9695b9e3a19393dbc3e47ba5e336e596ae40f5b693effa32074d7
Markdown8e59daea5d1ca4f84207702a5e395d5901290207b1271cb6ae4b11756f3f34b9
PDF
Publication page1f806ffd5b83b3b888c35ae42a6713222b8de1b6bff1aff1045cf0fdf01a5af2
Manifest6c05ca425519b1a6182e980ed83b34c5d7875c808b1818d994f4e9264b8a5790

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
Signature/aXs2qYpJFBuHuEE0zgF05vUzgKFQJFSfH80Zvo0uX9VXY95Ifje9S6IByyOEi/ZZGoCOD2P4p3EIKS9h9suAg==
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

2026-09-17T12:12:03.695004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012535
observed 1f806ffd5b83b3b888c35ae42a671322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.674809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012535/manifest.json
observed 6c05ca425519b1a6182e980ed83b34c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.656385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012535/publication.md
observed 8e59daea5d1ca4f84207702a5e395d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.636466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012535/publication.txt
observed a89ef2589ac9695b9e3a19393dbc3e47...
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.