OpenTechnical

OT-2026-000022723

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000022723) never changes.

Identity and time

Publication numberOT-2026-000022723 · never reused
Internal UUID01a0ae70-46e9-7e87-b7f1-2bcf93078876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022723
StatusPUBLIC

Content hashes

Canonical textea3c2b65b2382cec3753982d4d408a13f1a7e61cc860c8e4e2646a47400f2493
Markdown67db39a6908eb4f1873706b974a1f333a73a9a6b2c8f3e0b283e8c8c12c934ac
PDF
Publication page88eebaed0a747dc91ac768d8c19f22022a73c2293a76e5599fb69e45ad8e1189
Manifested9d51b87e1bd77226a7711d6567d6eac40b6dbcbf3b3e7f15dac4a4b72b65d2

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
SignatureCvA0gaHs8W+0+2Jh1FcDLEdPklB7MVng0SZJEZuDDGExZSkBP/5IkSwy9bn1OZVuNTowtI5Cs6ENGkpGvWPSAA==
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

2026-09-17T11:52:13.512152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022723
observed 88eebaed0a747dc91ac768d8c19f2202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:13.493386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022723/manifest.json
observed ed9d51b87e1bd77226a7711d6567d6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:13.473207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022723/publication.md
observed 67db39a6908eb4f1873706b974a1f333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:13.453645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022723/publication.txt
observed ea3c2b65b2382cec3753982d4d408a13...
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.