OpenTechnical

OT-2026-000048995

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000048995) never changes.

Identity and time

Publication numberOT-2026-000048995 · never reused
Internal UUID01a0ae81-134c-7ef5-b665-0e654605bfa8 · 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-2026-000048995
StatusPUBLIC

Content hashes

Canonical text94df58eb4728899454879628eb4de4eb12bde82e3ad79cb6367da14e6639fa3d
Markdown605bd6bab74f16de2a9cfb06f7635fb5b0153482e4a1197a70f90392ed4a430d
PDF
Publication page376deeb9886e3bdaca62658fe687a0cc68c4988ba7a92d121c39476780282395
Manifeste6f195d549c6fa9c3ae08313a97a954220c53cdfca77bd674989f6f277603855

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
SignaturekE17I1O2EK9IEGUX2ITfgxauvnwOxTa0cLx1G+kLNh7qks+oOavE39BezfzLwecC+5ByfM19uLUlDOgLg29HDA==
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

2026-09-17T11:03:12.210191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048995
observed 376deeb9886e3bdaca62658fe687a0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.187525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048995/manifest.json
observed e6f195d549c6fa9c3ae08313a97a9542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.165898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048995/publication.md
observed 605bd6bab74f16de2a9cfb06f7635fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.141305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048995/publication.txt
observed 94df58eb4728899454879628eb4de4eb...
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.