OpenTechnical

OT-2026-000022535

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000022535) never changes.

Identity and time

Publication numberOT-2026-000022535 · never reused
Internal UUID01a0ae6f-f4fe-7839-867d-29aaa8e579ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022535
StatusPUBLIC

Content hashes

Canonical text04ddeb78b94b2c6751dc652dbe24ac485819ea7b5400f44c82009f5d3a9077f7
Markdown2712d5e4311f150af6e123cf2b84b6a10fdadb0503ec325fff3f9c4697e9ed62
PDF
Publication pageee61178628b593b1b82671921741e080c9378d905f821ce5b1d7c825757c0c4a
Manifest3b5e50ba5f54996480d76c121d71fb54911a206a74c052d8b7bcee104bd881fe

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
SignatureyO3HWvVYFKTCijy4zMekDGmvW0H3rDbWfNO5om5X8ou0qCplwDibeGYg6C/ANhBw/YDSlWtsaamgvXoyVQAQDw==
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

2026-09-17T11:53:58.170099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022535
observed ee61178628b593b1b82671921741e080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:58.152542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022535/manifest.json
observed 3b5e50ba5f54996480d76c121d71fb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:58.135619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022535/publication.md
observed 2712d5e4311f150af6e123cf2b84b6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:58.119301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022535/publication.txt
observed 04ddeb78b94b2c6751dc652dbe24ac48...
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.