OpenTechnical

OT-2026-000030507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000030507) never changes.

Identity and time

Publication numberOT-2026-000030507 · never reused
Internal UUID01a0ae73-e504-7a17-999a-4faa5b21fd02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030507
StatusPUBLIC

Content hashes

Canonical text6783ae96af34811ef5a08da0e017fcd5b46c223b463c84aa0112f885efbadbc3
Markdown5dad17063f2d9ab19061681b65d649a76c9ee40a94ea68cdf1a224d57620d85c
PDF
Publication page9b8b4b607176e1bf72273cc6d95d7b7b777b2521055b3023a9427817094d8b64
Manifestb744b1be2bdba92df267ff5a95a8427e545e2eb7bca3279cf5ad9f2740ff2a1d

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
SignatureqPvNMCRFegneAnjOVOBkmK8V17LtigB7eFG2j2C8j1PkHftZb3RLrKjaHGOxR7mKEKKWKc6LOuhIloHyHDr8Cg==
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

2026-09-17T11:38:21.945117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030507
observed 9b8b4b607176e1bf72273cc6d95d7b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.929183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030507/manifest.json
observed b744b1be2bdba92df267ff5a95a8427e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.912550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030507/publication.md
observed 5dad17063f2d9ab19061681b65d649a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.895800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030507/publication.txt
observed 6783ae96af34811ef5a08da0e017fcd5...
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.