OpenTechnical

OT-2026-000048967

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000048967) never changes.

Identity and time

Publication numberOT-2026-000048967 · never reused
Internal UUID01a0ae81-134c-7160-bb30-c072bb4772c8 · 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-2026-000048967
StatusPUBLIC

Content hashes

Canonical texteb6470f9c28bcb1b4967d58496421d5a2aeb1810441f76fe4bb9330b3738f943
Markdown8ec9794fb44878185be5c2e48ab123133b29c6bc3cad22bd1940fbae57258fae
PDF
Publication page3bfe38e52f6c1d83eee5d678906ad8123f661d08b8f3b4b9563d951f521efbe7
Manifest21b42c49a0064cbf6410ee9983afc89658c8d603d8c6eca80f8bc199cf183be5

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
Signature+Kw7PGfKJvsevOreyFbzG7hPB5U/Q8eyVlZLHCt9oI+Wabgj7QTsqvZT0rw66DwZmoLA7WlNM4VV+nncDqThAw==
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

2026-09-17T11:03:09.966166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048967
observed 3bfe38e52f6c1d83eee5d678906ad812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.948815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048967/manifest.json
observed 21b42c49a0064cbf6410ee9983afc896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.928691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048967/publication.md
observed 8ec9794fb44878185be5c2e48ab12313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.909266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048967/publication.txt
observed eb6470f9c28bcb1b4967d58496421d5a...
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.