OpenTechnical

OT-2026-000022583

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000022583) never changes.

Identity and time

Publication numberOT-2026-000022583 · never reused
Internal UUID01a0ae6f-f4ff-7963-9456-d73422eb0e18 · 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-2026-000022583
StatusPUBLIC

Content hashes

Canonical textf1c70a41ed160128d393a7fe5416fbf8275bb83efde92a43f298516d515c0d81
Markdowna4f797912977ea2ca875e67c4449007e1387fb786d567c45370ff319f99a5402
PDF
Publication page59e40bd7f13dbfd1b9874d44a7f49aaa8dc886464135f4230acc1521a4ed6137
Manifestcfbf18f3665cbd0fac630d17f269bf64528cfe1899f25ce2bfac911fe59edc37

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
Signature8HYpNwdPfOoNK3Wg+vVwsCyCGZfgiaFdm2qwOnfKy/mfFcg8N5m9GWBygGtZ+pMF2ZfeXdLJTO54hv2sgZJRAA==
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

2026-09-17T11:54:01.546974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022583
observed 59e40bd7f13dbfd1b9874d44a7f49aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.528485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022583/manifest.json
observed cfbf18f3665cbd0fac630d17f269bf64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.510805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022583/publication.md
observed a4f797912977ea2ca875e67c4449007e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.493687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022583/publication.txt
observed f1c70a41ed160128d393a7fe5416fbf8...
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.