OpenTechnical

OT-2026-000014001

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, pulsed blow-off 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-2026-000014001) never changes.

Identity and time

Publication numberOT-2026-000014001 · never reused
Internal UUID01a0ae6d-8dea-73aa-bcab-8a5328b716e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014001
StatusPUBLIC

Content hashes

Canonical text2242a1118b6c04e0c44fd430d68d63dc5a51d665a66d62195bb2936c5d6634c9
Markdown73029202bdc4b910c6455d62bf1a470e7e9fab6b58e6eeb36b62ce1401ceea56
PDF
Publication page1af9b02eadcc98e90837725d597547c2f554aa8179bd58c457a77d5f70faddbb
Manifest293277f10724cbc2b936a12099b2dc51aafb4dd0f70209477e16d90435fe4641

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
SignaturesziAtOhLiyTGOcoHOMgwWnx9wUBo6pQpIl2VGferKObnwgVUET/Se81QVPWnkqlfizpc0ZoNSqa1miRHP0MMBw==
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

2026-09-17T12:09:13.387424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014001
observed 1af9b02eadcc98e90837725d597547c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.368169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014001/manifest.json
observed 293277f10724cbc2b936a12099b2dc51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.347515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014001/publication.md
observed 73029202bdc4b910c6455d62bf1a470e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.327925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014001/publication.txt
observed 2242a1118b6c04e0c44fd430d68d63dc...
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.