OpenTechnical

OT-2026-000048988

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000048988) never changes.

Identity and time

Publication numberOT-2026-000048988 · never reused
Internal UUID01a0ae81-134c-7073-a19e-e320b03ab5d6 · 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-2026-000048988
StatusPUBLIC

Content hashes

Canonical text935dbf7476e77159d10bf10ea307c510781e6a81fd1ae455db5d68de8ac5271f
Markdown376e95d9f0d946915aa27e0e2b4197c5b4bd635fbe6de49f3e494cc3829635ce
PDF
Publication page2b0032c6d3e330df5f89c234d048c877c901da84394139b6d3a662a2ad9998d1
Manifestab7451e8b6fa6174ea399e87b83bc4e329ed1afea8adca3f932891ca28e96733

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
SignatureWz7fNIBPxPpWRqckEoy/AIDA8nr7tnPn0HwU2cAhFClU3ksEU0wujKnIs/P9MaNE4BXL+Thpv+WAimBXAcQ+Ag==
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

2026-09-17T11:03:11.650621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048988
observed 2b0032c6d3e330df5f89c234d048c877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.632596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048988/manifest.json
observed ab7451e8b6fa6174ea399e87b83bc4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.584518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048988/publication.md
observed 376e95d9f0d946915aa27e0e2b4197c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.538399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048988/publication.txt
observed 935dbf7476e77159d10bf10ea307c510...
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.