OpenTechnical

OT-2026-000012761

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000012761) never changes.

Identity and time

Publication numberOT-2026-000012761 · never reused
Internal UUID01a0ae6d-5562-7ef3-a646-1b39d0276ed2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012761
StatusPUBLIC

Content hashes

Canonical textb210ba288fd75fc065a017d9d2ff5e56ea7b3a1a574aaf8cdbd18b054b4eccb6
Markdown7e217990256af663c03b7e0e4461425be8a3fcad7b10174340333756d2ca075c
PDF
Publication pageb3fb34a949a47c1fbf94a21dc3f7ea7c6828365e30069486140ab03d4714a92d
Manifestef4dddd0f59a10eef94bbce67ec9a1a4b21bddc542dc2be15ddeee5c7ae471f2

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
SignatureEfcWKPe5VeEihfgzQhWF4DVo19mDcXdhwwRdScMkrn746dIrJ72Hzy3syHkyUzrj3GoHLJado0OF98vx+QzODw==
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

2026-09-17T12:10:28.209301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012761
observed b3fb34a949a47c1fbf94a21dc3f7ea7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.190184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012761/manifest.json
observed ef4dddd0f59a10eef94bbce67ec9a1a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.170277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012761/publication.md
observed 7e217990256af663c03b7e0e4461425b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.151410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012761/publication.txt
observed b210ba288fd75fc065a017d9d2ff5e56...
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.