OpenTechnical

OT-2026-000082150

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000082150) never changes.

Identity and time

Publication numberOT-2026-000082150 · never reused
Internal UUID01a0ae97-4d93-78cc-92bd-9b07b75f5f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082150
StatusPUBLIC

Content hashes

Canonical textb91f4f0865f01c48b78465214089ec4dcb1869d1f34137064635db2667f99e0b
Markdown7f1a024153458d8ce0926de6cb7e9fcd44917650d74e51661d680860fa35be8e
PDF
Publication paged910aa20a557e0514f1414a1375d04a75f797b0bb1576912fd4f9041bb95db0b
Manifest5214e2fb26940d3d22c71517f8c0286a2ee65c5ef12ca100e7889c6f72168460

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
SignatureU+M2X+7OvPnOFaSYVee8rngH4W39GAO41e2Zbm3M4IlvpLWmR2bQavHJKrP0KOMC3A0zGlTfqKlI1cNBPM30Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:58.283823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082150
observed d910aa20a557e0514f1414a1375d04a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.266961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082150/manifest.json
observed 5214e2fb26940d3d22c71517f8c0286a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.248312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082150/publication.md
observed 7f1a024153458d8ce0926de6cb7e9fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.230799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082150/publication.txt
observed b91f4f0865f01c48b78465214089ec4d...
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.