OpenTechnical

OT-2026-000039765

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000039765) never changes.

Identity and time

Publication numberOT-2026-000039765 · never reused
Internal UUID01a0ae78-d8d5-7eaf-9356-17be683e7c46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039765
StatusPUBLIC

Content hashes

Canonical text1fead64a3a570f040f3c2f879619a3798f9ec0cd8321d2c996e27bbcaa9cb22b
Markdown323f97b12ecdb99e1efb2a76dbe96d20b526faf190a280966bc6946ae8aa30da
PDF
Publication pageb814c11139555926a032666b86d7341ed98b781efa69e4c5b61bae24f25093dc
Manifest7d40c39220578dff1d653d891f7accd0501ddbf77c0d8b6e5af14d0cbdbc6944

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
SignatureWPZ7jr8PMCB9nd6se2mFBhFXC/AzBTQjo0ulZ2KJoAqZbnBBFfHkPo/ERW06wjBQUdyI/b6wAfGTLfxgeS1hBQ==
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

2026-09-17T11:19:58.794026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039765
observed b814c11139555926a032666b86d7341e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.774876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039765/manifest.json
observed 7d40c39220578dff1d653d891f7accd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.739108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039765/publication.md
observed 323f97b12ecdb99e1efb2a76dbe96d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:58.701566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039765/publication.txt
observed 1fead64a3a570f040f3c2f879619a379...
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.