OpenTechnical

OT-2026-000045639

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045639) never changes.

Identity and time

Publication numberOT-2026-000045639 · never reused
Internal UUID01a0ae7d-8f03-7052-a3b5-312b90248987 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045639
StatusPUBLIC

Content hashes

Canonical text97cc1d50b36625e89664663e4b09ffa3141f6ca9d1221c5ebf8ea3f7526e2f45
Markdown4f9610cf0e12f55e9b50f956f34d05580d268585e263c466376ed5fdf094215b
PDF
Publication paged609c4e0d49ef850db0f3586add1860be05db2d40ec8fffd20a308d3a57b9903
Manifest494c5e63c2e86feefd691f62fabd17206acdd775992c9032aa9eb3e5ab875bf1

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
Signature9dMsEcp6iM6SLu3SjlgJ6HYLPRLHKA++xEzx0t/JMWMR6KOAx+V3t+UgLXUXa3XKHMeGRmZkorRD03A437MUBQ==
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

2026-09-17T11:09:25.527147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045639
observed d609c4e0d49ef850db0f3586add1860b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.507228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045639/manifest.json
observed 494c5e63c2e86feefd691f62fabd1720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.486716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045639/publication.md
observed 4f9610cf0e12f55e9b50f956f34d0558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:25.468380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045639/publication.txt
observed 97cc1d50b36625e89664663e4b09ffa3...
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.