OpenTechnical

OT-2026-000064212

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000064212) never changes.

Identity and time

Publication numberOT-2026-000064212 · never reused
Internal UUID01a0ae8d-a45f-7976-904e-9b9ed4e12302 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064212
StatusPUBLIC

Content hashes

Canonical textcfda616af2eee67cc23a8bc49dbe1a785de35cbea8b7d714f06fe84c5725afaf
Markdown928a011d789637b84f93ff8229857a4e2a73f46ae39985792d302769b9e27d69
PDF
Publication page6027f03a0a25ee8f861c6c18d34f9ce1d8eafd9b5f69960b626736eec987cb6d
Manifest2a3b4a1af9628c416af1528c09cce474533c56c7159f8cf411bdcec06e8ed36e

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
SignatureREIQ1Ks52wZAt+dOXM26Qb02sm7S9dJh518e4LJd0U9rnmkBMS/a9v6jp5AA64E4kNxLGDHr02B7tLNR6FDzCg==
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

2026-09-17T10:36:19.889190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064212
observed 6027f03a0a25ee8f861c6c18d34f9ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.872510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064212/manifest.json
observed 2a3b4a1af9628c416af1528c09cce474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.854600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064212/publication.md
observed 928a011d789637b84f93ff8229857a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.838041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064212/publication.txt
observed cfda616af2eee67cc23a8bc49dbe1a78...
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.