OpenTechnical

OT-2026-000043991

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043991) never changes.

Identity and time

Publication numberOT-2026-000043991 · never reused
Internal UUID01a0ae7b-d679-7328-8e2b-2e65a000232e · 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-2026-000043991
StatusPUBLIC

Content hashes

Canonical text70b0e96ef94b7a0c2daa95119ad44294461e1383c011a49e742c3f7a28d71d15
Markdown1b31de55da6be769f22155a09d8985114a0befd4ec41c0d43ddfd8beeed31cd9
PDF
Publication page3dccd2a107f8d79b9a104bed364d1eeb2725ec33f620454100d16d9e72062012
Manifest135bbc0cf7f5ad1fa9e968403aec8e88a534d3649a14972dbbcabbb10f9eb51c

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
SignaturevD5n/eJ8YTyPifpWPOADD+Vyd9Tuy4zqScj52qUMhZCFZNC7Z1DWQ4P86kTA6H8lr9KXAXA5LffUe+VoGTRoDA==
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

2026-09-17T11:12:21.732413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043991
observed 3dccd2a107f8d79b9a104bed364d1eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.710014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043991/manifest.json
observed 135bbc0cf7f5ad1fa9e968403aec8e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.689168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043991/publication.md
observed 1b31de55da6be769f22155a09d898511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.671246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043991/publication.txt
observed 70b0e96ef94b7a0c2daa95119ad44294...
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.