OpenTechnical

OT-2026-000027570

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000027570) never changes.

Identity and time

Publication numberOT-2026-000027570 · never reused
Internal UUID01a0ae72-6999-7cb5-a7c9-29a16624dd53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027570
StatusPUBLIC

Content hashes

Canonical texte184b624547eee167f92c3a07abb3cd3c520010ca510da6f0af290d604721c40
Markdownf801ad1bdb163758e6756498ca89693e330a2a5842c23874c76dec61cfdee8d9
PDF
Publication page5488087bedaf77196d1d4a4f8a750ed16c907abb490b618fde04b1681f29af64
Manifest80960988f7026070b0a9058e33415c132211e59b7c4d68839e8497960283042d

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
SignaturecUYp5dMCol5mMHHLVRxf3PVlQTpp9svqGfjDHQ/qgQMDLX8QYVCDvbhsQ4FADReJhXOnlnfyOggDZV0hgz2VDA==
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

2026-09-17T11:43:03.731679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027570
observed 5488087bedaf77196d1d4a4f8a750ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.715389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027570/manifest.json
observed 80960988f7026070b0a9058e33415c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.699711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027570/publication.md
observed f801ad1bdb163758e6756498ca89693e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.683602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027570/publication.txt
observed e184b624547eee167f92c3a07abb3cd3...
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.