OpenTechnical

OT-2026-000023684

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000023684) never changes.

Identity and time

Publication numberOT-2026-000023684 · never reused
Internal UUID01a0ae70-aed4-71ae-bc95-68571bbf95fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023684
StatusPUBLIC

Content hashes

Canonical text035859634089832e0d1344570f189fa7f62643b40500b8dcb6b09751d18ca351
Markdown493a275e9c257c9785211f1a9c23c6f1242c69f66f09799d9e1a05d45ccccf92
PDF
Publication pageb0899536c65e24373c28388d82ffed9798e2769f8e48d48ed554539a5d2ee789
Manifestdab62a1b838967f7716a9fe5aa7883d50e7d19f85dbaa769b109410c691a3e31

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
SignatureNKnKpWfvZWkLySVoqLlLp3p1WQBe3EPwUbHJhePOVRKNgLHXti1nGowtXgCRLfru9xRsNyPzscTyu0e09QWUDA==
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

2026-09-17T11:50:00.552980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023684
observed b0899536c65e24373c28388d82ffed97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.535832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023684/manifest.json
observed dab62a1b838967f7716a9fe5aa7883d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.517595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023684/publication.md
observed 493a275e9c257c9785211f1a9c23c6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.496340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023684/publication.txt
observed 035859634089832e0d1344570f189fa7...
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.