OpenTechnical

OT-2026-000072304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000072304) never changes.

Identity and time

Publication numberOT-2026-000072304 · never reused
Internal UUID01a0ae92-47c3-79b6-8689-a5b09e687a06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072304
StatusPUBLIC

Content hashes

Canonical text76706a38f373d930ae89d1dd42041b3aec10d1fb371a140742ff389b3591d908
Markdown146e1b7f704f272e993a327e0fd13a05f1c90b048a185cdbbbd7979ec359a99a
PDF
Publication page58fa20f28abcd57dbf3b4e11f93a6b457cfb503f547fa3dbc3e2131515f8baa2
Manifest8ae2265dc7f8908a7419990f0f1d97f736b658808709606a64a431d42fafa948

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
SignaturePm/134dxWRQV2Pkq2nTlWf3aqqate3vWU5maq5nBrM5duYRd2G2b1YPlQUKJoyjEqRpc2H3QBUNrg101U1FuDA==
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

2026-09-17T10:23:31.587971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072304
observed 58fa20f28abcd57dbf3b4e11f93a6b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.569613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072304/manifest.json
observed 8ae2265dc7f8908a7419990f0f1d97f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.539673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072304/publication.md
observed 146e1b7f704f272e993a327e0fd13a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:31.508636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072304/publication.txt
observed 76706a38f373d930ae89d1dd42041b3a...
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.