OpenTechnical

OT-2026-000022640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000022640) never changes.

Identity and time

Publication numberOT-2026-000022640 · never reused
Internal UUID01a0ae70-46e9-73f5-a405-13ad46632fd2 · 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-2026-000022640
StatusPUBLIC

Content hashes

Canonical textd9272a25ae34edbe4d9690ef5346b106e3d791b0a80f41d05f1863048cefe572
Markdownca3b1caf18edfbeaf54f8054ae88674038984901b20f44c91195c301a037b037
PDF
Publication pagee2a66dd2eef51d4ab23295fedfc124f709bf23aad49a21af91175a8daa5590e3
Manifestfcc8b6f53f7e4f5100e09675d47f4a64323ec870d75b22718b721220117b9ab2

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
SignatureDxDCSxbMVGNZt/nJq7oPPejkLhCIApEeMAEZ933FgAsYaqc3m1oaR9RZRLGjPUvfjKcE8bZwm89qWqIO1pRZBA==
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

2026-09-17T11:52:01.177620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022640
observed e2a66dd2eef51d4ab23295fedfc124f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.158943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022640/manifest.json
observed fcc8b6f53f7e4f5100e09675d47f4a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.136622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022640/publication.md
observed ca3b1caf18edfbeaf54f8054ae886740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.117799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022640/publication.txt
observed d9272a25ae34edbe4d9690ef5346b106...
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.