OpenTechnical

OT-2026-000025160

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000025160) never changes.

Identity and time

Publication numberOT-2026-000025160 · never reused
Internal UUID01a0ae71-5fa5-75a1-881c-72c3d843d291 · 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-2026-000025160
StatusPUBLIC

Content hashes

Canonical text80a2146b5821d31f5ff8b796188a459308539639b2f79b9f921f6c2e44a0737b
Markdown1bbbd3662eddd931dbb4f6d0cdfd2eb8fad71c2e9a7d3e27f2b3ee933485fa23
PDF
Publication page2f7fbf6989d08c79fad810db23090364b56bdd282461ae77eedfbfbac1e277be
Manifestb02c067f4ad9c585e66a6126fe52a313b845a3778434f5583a51711b97265362

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
Signaturengr1Dp1vYfLVkfXu7KeDx+u5HYCvlVfIYsA6GzprHJN1c49IFgR6BhEhTY9jvdPG340/8cnQjSbUxr6WGhGvDw==
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

2026-09-17T11:47:03.016928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025160
observed 2f7fbf6989d08c79fad810db23090364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.001213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025160/manifest.json
observed b02c067f4ad9c585e66a6126fe52a313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.982853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025160/publication.md
observed 1bbbd3662eddd931dbb4f6d0cdfd2eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.902996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025160/publication.txt
observed 80a2146b5821d31f5ff8b796188a4593...
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.