OpenTechnical

OT-2026-000023872

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000023872) never changes.

Identity and time

Publication numberOT-2026-000023872 · never reused
Internal UUID01a0ae70-aed6-71ff-9246-dcd7a8a5024b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023872
StatusPUBLIC

Content hashes

Canonical textc604c2c18638429efbc970b77b9509b64c419b26d6e63728fd3c12a43c1560b6
Markdownd4910aa7b4810a88d20c23f8227413ab61aef263bbdbeabfe762f5a1dde0c04a
PDF
Publication page4656d1feb8084039d461e6ac7d808851c566f518cc152065e5db7c529415d778
Manifest29b4a6248c64d4970a020c01ec9a8530445292c156e4d5455b3da5e3fd639e06

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
SignaturevfQrzAKhpFOFbsEhFLBH9iUbud30XceA87+fxWPSOJ/NUXnPAqqJ4hgayjOZJRrYdPizNCPqTu52y4nnY2QKDQ==
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

2026-09-17T11:50:28.747414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023872
observed 4656d1feb8084039d461e6ac7d808851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.725548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023872/manifest.json
observed 29b4a6248c64d4970a020c01ec9a8530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.703180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023872/publication.md
observed d4910aa7b4810a88d20c23f8227413ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.684880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023872/publication.txt
observed c604c2c18638429efbc970b77b9509b6...
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.