OpenTechnical

OT-2026-000023226

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000023226) never changes.

Identity and time

Publication numberOT-2026-000023226 · never reused
Internal UUID01a0ae70-7267-7648-a92b-9a5937fa08f0 · 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-2026-000023226
StatusPUBLIC

Content hashes

Canonical textcf23a84a286071e3bbd48b31ac9252da23f5bcc963af81fd652a4349a0e84c3c
Markdown9a39e55738248679fdbf5ecaf0caa1c3e76a6204cc1441d221e9a00d43abccf8
PDF
Publication pagefdb54f27cbae9ee35fdc9fc482365cc0e50cc721f2ad77418578edd9791c8861
Manifest324839b3d501db4b0863286a06a0a78641ecaf413a7ebff441e257f6c68c5628

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
Signature5iJsk7Ter94J8IN5js+RnNLh1Kwcusv8uVimr1jdM652Bo8FyR9j6UdiCkF1ogiJAfyWJlNhUQsSIoQ7cR/lAw==
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

2026-09-17T11:51:17.054037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023226
observed fdb54f27cbae9ee35fdc9fc482365cc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.026402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023226/manifest.json
observed 324839b3d501db4b0863286a06a0a786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.003781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023226/publication.md
observed 9a39e55738248679fdbf5ecaf0caa1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.982074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023226/publication.txt
observed cf23a84a286071e3bbd48b31ac9252da...
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.