OpenTechnical

OT-2026-000016249

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000016249) never changes.

Identity and time

Publication numberOT-2026-000016249 · never reused
Internal UUID01a0ae6e-2d11-7e06-82d9-f628fd15100a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016249
StatusPUBLIC

Content hashes

Canonical textffec6b77597db7dc0084cd4d24f62168b6c27eced78c6a0711f68f52addd2e25
Markdown5df5999134c5529ef4044cabb8cf35a53d04e320f942b6f074ccfba9cff6f33f
PDF
Publication page1f7f1a857a815076e112bfe8f5d91d5763ed0bb4d017228f1ed9ec36da6d9823
Manifest0c074ac50cfdef960b15527a2755f020b7451902749aa3270d72e68e477ab229

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
SignatureKnqXoT4PFy/Uu/xczj2teRfhytMyDgf6vRgatc81QveH3zij6pgbxOQFTaHY3Gn+ksLDkwyO4q8aLe2vmqFnDQ==
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

2026-09-17T12:03:43.319494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016249
observed 1f7f1a857a815076e112bfe8f5d91d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.298390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016249/manifest.json
observed 0c074ac50cfdef960b15527a2755f020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.277698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016249/publication.md
observed 5df5999134c5529ef4044cabb8cf35a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.259108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016249/publication.txt
observed ffec6b77597db7dc0084cd4d24f62168...
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.