OpenTechnical

OT-2026-000023504

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000023504) never changes.

Identity and time

Publication numberOT-2026-000023504 · never reused
Internal UUID01a0ae70-7269-740f-a191-34587ba4a625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023504
StatusPUBLIC

Content hashes

Canonical text7f83f0245194f655af3ace1111f9523ec3cd97130ffa04822ca9fab5dd6be93e
Markdown38b1758696a9c7b7a03abaa98d229eedac02c54f4dc017408511a446c64198b0
PDF
Publication pagea7ee728599ff71867a11d015e94f287e484be990761cbf74aca615c35f0ed183
Manifeste8039b61e1a09bf24ff8885a5d6fc58c828b3a2fef578f52687dcbe32e0107e8

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
Signaturej3FJAuWaYQed/i03yQmDmru5gPcfC58idpBLL9MvVTqtsdSXryRN9EmA8nKMJLCmrLZ7wuJwTfLbiDzM13qMDA==
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

2026-09-17T11:51:44.254815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023504
observed a7ee728599ff71867a11d015e94f287e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.238106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023504/manifest.json
observed e8039b61e1a09bf24ff8885a5d6fc58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.215512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023504/publication.md
observed 38b1758696a9c7b7a03abaa98d229eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.196019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023504/publication.txt
observed 7f83f0245194f655af3ace1111f9523e...
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.