OpenTechnical

OT-2026-000032227

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000032227) never changes.

Identity and time

Publication numberOT-2026-000032227 · never reused
Internal UUID01a0ae74-f7a7-7cc7-bbd0-648aa36e2493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032227
StatusPUBLIC

Content hashes

Canonical text94839f7cdfaa7d2d8b6ccdf8a3ad35aebfdde7ad6c4e6f37b5a566261eb13556
Markdown09ba42869ac2ecf3e728c7a3beb705f781481951a3b1af453008195019f35480
PDF
Publication pageb6fd364480845b944418fc7bf62dac0d060b2ead034524000ae50e79c1e2203f
Manifesta2f7cd5945c75b5aa386c83c4c5129fb6eaab4c7c2d738a0baeaca6b26524827

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
Signature3kEB7yw1aBHSAAs8Zj+lkx0rA+TKhM+5qdVZgVV9ugK6WYIXbWAz5sBjbPl/xCTqKWnmIr/KMVh8zmazVu+1Cg==
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

2026-09-17T11:34:34.730976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032227
observed b6fd364480845b944418fc7bf62dac0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.711791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032227/manifest.json
observed a2f7cd5945c75b5aa386c83c4c5129fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.695273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032227/publication.md
observed 09ba42869ac2ecf3e728c7a3beb705f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.677380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032227/publication.txt
observed 94839f7cdfaa7d2d8b6ccdf8a3ad35ae...
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.