OpenTechnical

OT-2026-000013539

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000013539) never changes.

Identity and time

Publication numberOT-2026-000013539 · never reused
Internal UUID01a0ae6d-6fcb-765c-b07f-73540e5a6960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013539
StatusPUBLIC

Content hashes

Canonical texta86058349432cd31655258cd5c5aa875219e5cdb2e4db6a4a4dcc795553da1a5
Markdown78bf8b5ddde4749d8ee44b0ebb6e5b68f1830d1629d0a15f977ed6def6fc0497
PDF
Publication pagedea596bb087d13ec756625f48fe496bc49d45eb1c0270767dbc1cdc1f54c5863
Manifest78cd961f03eebf2cd12e03201e7ce77db902900957a650c9d6b121759109b2d8

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
SignaturegO+zn9wAdXGZr2EQGwr6yPCRM1PndFxh4nnPsc0xTA7dPKfw0f+SNmJR7iX47vYYnpe20hWxWdlPo6abvrVmDw==
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

2026-09-17T12:10:04.812470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013539
observed dea596bb087d13ec756625f48fe496bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:04.792018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013539/manifest.json
observed 78cd961f03eebf2cd12e03201e7ce77d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:04.771633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013539/publication.md
observed 78bf8b5ddde4749d8ee44b0ebb6e5b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:04.743307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013539/publication.txt
observed a86058349432cd31655258cd5c5aa875...
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.