OpenTechnical

OT-2026-000029893

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000029893) never changes.

Identity and time

Publication numberOT-2026-000029893 · never reused
Internal UUID01a0ae73-ac48-7685-bd52-b31344cd70d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029893
StatusPUBLIC

Content hashes

Canonical text7c72c4c8fa7db51ce90c2a8d2660183bfa7f98c2aa55681ffcf26b70b3be5ad0
Markdowna7b2640807fd3ef810942b1a4d89ee35365d72daaeee77556eedd951308442bb
PDF
Publication page5348d201546bcee6ce81f83584c4748757d7e1bda922affc64308f033ece0d4a
Manifest56d0570141d9709d094b27d85c2d76c34c52405e87b94e246321b8d5cf6c261f

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
SignatureOnMAEzsylDfJ9P8IUmUwvlsQiWC7OqFkEeJh4fkre8Dn/dqsSiSMYribQZ4T7Qdtd0ZbrKRJXHOq59z+rea1CQ==
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

2026-09-17T11:38:35.571060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029893
observed 5348d201546bcee6ce81f83584c47487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.554622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029893/manifest.json
observed 56d0570141d9709d094b27d85c2d76c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.538802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029893/publication.md
observed a7b2640807fd3ef810942b1a4d89ee35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.521656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029893/publication.txt
observed 7c72c4c8fa7db51ce90c2a8d2660183b...
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.