OpenTechnical

OT-2026-000033363

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000033363) never changes.

Identity and time

Publication numberOT-2026-000033363 · never reused
Internal UUID01a0ae75-8980-72a1-9cad-f7ee0f16cbe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033363
StatusPUBLIC

Content hashes

Canonical text73ee9331f502a4f4d70538ab4d8b682a42fe296824b33cb7fb875bb66ee5c840
Markdowndd31d6d13620066b1780679cd7098d2192eb12b9d30f765f12fdc1997626418f
PDF
Publication pagead13ddcb0500085001956f046cdbc244d548d28072e10700ee9ce8517c43af07
Manifestec8f00c4db071ab5cd7b993c8a80a7de0cc0936c68fb6b19f1705e228ec95955

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
SignaturebVR4cwSyo6PzVPWEnAmuaxL5853NMHMrII0xoSfExmY43IETEEGx8lRX/IZ0bF14O8bWkKtKj7l7v02eMD8JCQ==
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

2026-09-17T11:32:07.738327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033363
observed ad13ddcb0500085001956f046cdbc244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.711753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033363/manifest.json
observed ec8f00c4db071ab5cd7b993c8a80a7de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.692218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033363/publication.md
observed dd31d6d13620066b1780679cd7098d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.672383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033363/publication.txt
observed 73ee9331f502a4f4d70538ab4d8b682a...
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.