OpenTechnical

OT-2026-000023139

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000023139) never changes.

Identity and time

Publication numberOT-2026-000023139 · never reused
Internal UUID01a0ae70-7266-715b-9f4d-79894bb9adee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023139
StatusPUBLIC

Content hashes

Canonical text3a90963369f5b122ea3eae828ba2040d41ab79a25bde23278cd5464a9238e7f2
Markdown8373934979514bfc8bfec3b14f44715f0073c10c1c0574abdcb4d0e03aa4d386
PDF
Publication pagea8a309738b5bb312d37158a768b743a6e706a4389e855c1a71d9dee5ea71748c
Manifest38e1d6efbf4481dd709459bd3770aaa62a08f01555a3f35cdb935e8c0a44dfa1

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
SignatureuM77yFWaE8aQo11aMbi1J7bCdQprJeeIkxJrbqbG+7yOIcCg5jR6xi28kwfqp32pu+RLvrkZs47eQ77zAdJRBQ==
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

2026-09-17T11:51:04.364387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023139
observed a8a309738b5bb312d37158a768b743a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.347456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023139/manifest.json
observed 38e1d6efbf4481dd709459bd3770aaa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.329478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023139/publication.md
observed 8373934979514bfc8bfec3b14f44715f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.311875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023139/publication.txt
observed 3a90963369f5b122ea3eae828ba2040d...
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.