OpenTechnical

OT-2026-000024891

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000024891) never changes.

Identity and time

Publication numberOT-2026-000024891 · never reused
Internal UUID01a0ae71-2727-75e3-83ab-a3ddc1fda801 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024891
StatusPUBLIC

Content hashes

Canonical text2b6f5abb05a3b1b6b2ca07ca06a2ca7ff36880d8a36af706f2ce5a67c296c3c9
Markdown80305111794e8eebc985c1bbcbc10a164c38896d6d5bc1d2da089994f0909dc5
PDF
Publication paged239f5710a26adf5307e9e6907dce3a590f84d793b4e5aa19302a33dd942ba93
Manifest91ba2560e04c10b1a7d2e63f3d0250727afcf381da97e44a338ca92bb09bffef

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
SignatureaYeq4QfqvFH/6zCs6Ep5q4qZdptG/oJpe43mr6Otv7rwsjq87qYid58gUxUPOCu/ENAZblePTaG4zB3RmG9jAQ==
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

2026-09-17T11:48:13.111842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024891
observed d239f5710a26adf5307e9e6907dce3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:13.089154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024891/manifest.json
observed 91ba2560e04c10b1a7d2e63f3d025072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:13.071581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024891/publication.md
observed 80305111794e8eebc985c1bbcbc10a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:13.053437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024891/publication.txt
observed 2b6f5abb05a3b1b6b2ca07ca06a2ca7f...
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.