OpenTechnical

OT-2026-000075760

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075760) never changes.

Identity and time

Publication numberOT-2026-000075760 · never reused
Internal UUID01a0ae94-29fe-7864-bee4-0035ab3135f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075760
StatusPUBLIC

Content hashes

Canonical text1b43095a8628803215f383dfe75e0c2862497120f7c282a87c75ac5e60882f45
Markdowna47a1d2513b372d48e4690126e7db268b5e32b6e9fa247dd25106b30c8af5ddb
PDF
Publication page1178403d1ee444593c8cd8ef219723742c8beeae2d6d5060089d0c749347dd89
Manifestcfb977400d81742f515e88449d1508da49ae1bcc48074520d73942cacfdd64ac

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
SignatureSwC6+BYU++myHQ3wl5pjVXzTs4qCFQg2L/pvPyHnVbjFtStr0zStKtYg/bgxY0m4FH4QIltjw4J+yLSyxd8KDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:14:08.987824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075760
observed 1178403d1ee444593c8cd8ef21972374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.969901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075760/manifest.json
observed cfb977400d81742f515e88449d1508da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.952824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075760/publication.md
observed a47a1d2513b372d48e4690126e7db268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.816149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075760/publication.txt
observed 1b43095a8628803215f383dfe75e0c28...
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.