OpenTechnical

OT-2026-000025547

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000025547) never changes.

Identity and time

Publication numberOT-2026-000025547 · never reused
Internal UUID01a0ae71-5fa8-77fb-bb2a-8c76724e63c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025547
StatusPUBLIC

Content hashes

Canonical text780a0b4b8e8d8bd27073efa6c8e3052911a49aeda454eefad5a907def771dc45
Markdown221d2e3e3b6c2be5c793d6626557151a4dfe27bdd5f8cf298d4cd8fde5f8f593
PDF
Publication pagea3155422470c6ed5cdd3d24f10b63e49e0cd10ecff889855972b77c40e4e8c4f
Manifestcefefa6de226e776277849805f09460269a23680018a54edfee0ab66a907fb92

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
SignaturekkNnqWZSB7ol9SNj4SKwxyKV6MuBl3qz/lLlFM7qFTNG3AuuTf0MZOf9Zsz6+SDG6FsV8zCWFxDcxiC66upeAg==
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

2026-09-17T11:47:41.827905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025547
observed a3155422470c6ed5cdd3d24f10b63e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.809310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025547/manifest.json
observed cefefa6de226e776277849805f094602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.789934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025547/publication.md
observed 221d2e3e3b6c2be5c793d6626557151a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.772320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025547/publication.txt
observed 780a0b4b8e8d8bd27073efa6c8e30529...
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.