OpenTechnical

OT-2026-000043914

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000043914) never changes.

Identity and time

Publication numberOT-2026-000043914 · never reused
Internal UUID01a0ae7b-d678-78fa-b056-cfed962ad405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043914
StatusPUBLIC

Content hashes

Canonical text22902e744b36f8be3ddcf2a1eebf8efc3612ae931d0dbd5e76e8174400679b00
Markdown6c0699ce0345f02790e78876d33d7fd9b1ea11c8b09fd4354342297d495ce4db
PDF
Publication pagefae76a14f2b742df11bf93564b12bd4692296badb7befbeb271cedeb9ecfc925
Manifestdfe0503b8dfe564c3f399758eeba9dd5e3b3a3551a052856b0d188ad6115d55f

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
Signatureye6MKFaTmQU2kGz/JjLw7k19nSL3QT0ugG8RMNTxdSP8qKTNkEK6oTaxIX3GJQLwVQ/FOBrkmLVprrlRoLSYDg==
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

2026-09-17T11:12:15.426068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043914
observed fae76a14f2b742df11bf93564b12bd46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.406466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043914/manifest.json
observed dfe0503b8dfe564c3f399758eeba9dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.386285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043914/publication.md
observed 6c0699ce0345f02790e78876d33d7fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.365300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043914/publication.txt
observed 22902e744b36f8be3ddcf2a1eebf8efc...
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.