OpenTechnical

OT-2026-000042088

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000042088) never changes.

Identity and time

Publication numberOT-2026-000042088 · never reused
Internal UUID01a0ae7a-5d71-7e31-a427-6ed3a4ec0050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042088
StatusPUBLIC

Content hashes

Canonical text2212ad6a64d8ca91de5a4431768dacf83f1d00493f441bf6a68fa8227d6388ca
Markdown26e5a55058e3f77b31a4bafd1443e31d16491bca1e0f9fccbc6a95484a92dea1
PDF
Publication pagee8b82f610226da5fb040bd06344252841fe9c6b3e50d02d9557709b5ba6a586e
Manifest96e77def3f248b88db3fa318ae28b8c4f82a58cb70b2fe8f37e2e2e8852748c8

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
SignaturegidNQXGt9ilISS8vGcG/oIckQBc2XeNXM9iRWFL7uXSSd3+xcl44tPyc3cfzEHnd9WVekz13bPDXwFzShYFrAg==
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

2026-09-17T11:15:37.065845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042088
observed e8b82f610226da5fb040bd0634425284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.017392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042088/manifest.json
observed 96e77def3f248b88db3fa318ae28b8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.999184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042088/publication.md
observed 26e5a55058e3f77b31a4bafd1443e31d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.954635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042088/publication.txt
observed 2212ad6a64d8ca91de5a4431768dacf8...
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.