OpenTechnical

OT-2026-000048952

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048952) never changes.

Identity and time

Publication numberOT-2026-000048952 · never reused
Internal UUID01a0ae81-134c-7af8-826b-71ee57c0010a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048952
StatusPUBLIC

Content hashes

Canonical text18b8dca4da5eb9eca1e936a7431cb10d92569f2998175befaadc9fd3e18faa8a
Markdown46a6f8a808a8721d9a45c380c2ba6b5059b157837c89d97d5978a35513ea7928
PDF
Publication page9ebe7e9ecab443b2743c12876c1cdd47b42c7f457245c10c37419c8358ed5fd9
Manifest200ebefe891b57d8efbfc69164250ed471c510919a74aeea7695a22df072f238

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
SignaturelYGGKrbpIFOkb8qrjnsM6JSwnXZ7CLIqOuxMW73fD3Vm5ON5Bq3zDsgLtCLCa34j20MzmWF0FH5JGG8H7aF4Dw==
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

2026-09-17T11:03:08.572830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048952
observed 9ebe7e9ecab443b2743c12876c1cdd47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.552889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048952/manifest.json
observed 200ebefe891b57d8efbfc69164250ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.534290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048952/publication.md
observed 46a6f8a808a8721d9a45c380c2ba6b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.514880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048952/publication.txt
observed 18b8dca4da5eb9eca1e936a7431cb10d...
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.