OpenTechnical

OT-2026-000011544

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, vented after 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-2026-000011544) never changes.

Identity and time

Publication numberOT-2026-000011544 · never reused
Internal UUID01a0ae6c-88ff-7df5-b363-ba5ab9296a2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011544
StatusPUBLIC

Content hashes

Canonical textbe35194d19491bdda9ca977b0bfb45aaf8496a0056b47e2bb446a0aea056e77a
Markdown395c7bd77615dac3e862235a75ed7db94ec47e2cd1a180a3fd494dab87796c3d
PDF
Publication pageadb5033693026e2ffbf3715d71b5bfe59c3623e7390016e7006e06dcd5e10788
Manifest55f484f4fac32f8d72776035f5232c63630aac16222697abe164a94af1fdae20

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
SignatureyikbNBsxnr7ZBvY6x9z9pjzAVctnXXy71uOgWffnMBWeVF2pH7YY9mzewgoqeTPAbLHgfKnumd0LfGHm1JJIAA==
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

2026-09-17T12:13:20.172404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011544
observed adb5033693026e2ffbf3715d71b5bfe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:20.154063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011544/manifest.json
observed 55f484f4fac32f8d72776035f5232c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:20.136528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011544/publication.md
observed 395c7bd77615dac3e862235a75ed7db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:20.118100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011544/publication.txt
observed be35194d19491bdda9ca977b0bfb45aa...
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.