OpenTechnical

OT-2026-000017265

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, 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-2026-000017265) never changes.

Identity and time

Publication numberOT-2026-000017265 · never reused
Internal UUID01a0ae6e-76c8-7ad8-90ad-5fcda308865c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017265
StatusPUBLIC

Content hashes

Canonical textf07e63baa11b25e7ea5d1132f050654275db207c8a115bcdf7218f0bf22ebb2c
Markdownb534c1520001795ad36916847b2a0966086fb906e6f1e8277abc748d5c9152c3
PDF
Publication page8b73f8644824a67b49a95023a0e4ad5d4af3d486c2438daeb089e70b281fc8f9
Manifestb52dc2d7bbfdbc04e388382cc5fda42e945bd38ee7b13d090e7ab5a5b22fcc3f

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
SignatureqvT9dS69OHUyak/FrLKKOoWRnMpYJRGApVbC7iJdMS0p1YeGHStN0lIoHKHFdXNDpyb5qqHfehfM/D7zxKryDg==
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

2026-09-17T12:02:21.421784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017265
observed 8b73f8644824a67b49a95023a0e4ad5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.404297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017265/manifest.json
observed b52dc2d7bbfdbc04e388382cc5fda42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.385819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017265/publication.md
observed b534c1520001795ad36916847b2a0966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.366559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017265/publication.txt
observed f07e63baa11b25e7ea5d1132f0506542...
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.