OpenTechnical

OT-2026-000021776

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000021776) never changes.

Identity and time

Publication numberOT-2026-000021776 · never reused
Internal UUID01a0ae6f-bb5a-7195-bf15-c5371dda805c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021776
StatusPUBLIC

Content hashes

Canonical text9e5930c6db47a9ba907eade112eeb750f11f81d8cc50c74f667e0fe6464b4b55
Markdown4ff3591eac72aca463b73a50f347b2eba5445bca8fe4e1dc9a756e779631083c
PDF
Publication page4c6bc3a328787dcd9ca21a6ed26df64916b1bb40798f772db55e6fe98504214b
Manifest9fe47379925a0534044544b13bd5a4f484d10397463cb64c756f03a569d1958c

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
Signature0MEVaAXuhVfNt9eELJADrr7tzksEPkTuIIV8bPJZwz2hOxzEtsX7pDxisdtj2qWANIEwSP+yo1FAz/Zi82PgAw==
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

2026-09-17T11:54:19.282075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021776
observed 4c6bc3a328787dcd9ca21a6ed26df649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:19.265111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021776/manifest.json
observed 9fe47379925a0534044544b13bd5a4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:19.246136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021776/publication.md
observed 4ff3591eac72aca463b73a50f347b2eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:19.227354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021776/publication.txt
observed 9e5930c6db47a9ba907eade112eeb750...
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.