OpenTechnical

OT-2026-000050593

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented before set-down

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-2026-000050593) never changes.

Identity and time

Publication numberOT-2026-000050593 · never reused
Internal UUID01a0ae82-5c4a-7b2b-b1f3-1163162dda0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050593
StatusPUBLIC

Content hashes

Canonical texta608a049a7150ea123717f3b41430daf2b96e77762accb0a344b6ab8f6a39cd8
Markdown08881a4b25796188574d373610470645e674adc7916b5fa8d586c587f37d3dd4
PDF
Publication page2696b8598403027c1cfda95bcab4075753c300c41d9aa5e5c8845d13cdbab8a4
Manifesteb4a6eba1336fbc03c950fd0b096f8a123aa123587213503f8061d913756f829

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
SignaturesFQLcAC20mMKW2geF4Tb29XIhZagiaFIAQ+GCX72MZ2A+lp2xEvtRNIMMSXTkvRHwbObmHIEAm3SEV536hyxDA==
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

2026-09-17T11:01:41.844421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050593
observed 2696b8598403027c1cfda95bcab40757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.825454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050593/manifest.json
observed eb4a6eba1336fbc03c950fd0b096f8a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.806967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050593/publication.md
observed 08881a4b25796188574d373610470645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:41.788524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050593/publication.txt
observed a608a049a7150ea123717f3b41430daf...
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.