OpenTechnical

OT-2026-000079110

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000079110) never changes.

Identity and time

Publication numberOT-2026-000079110 · never reused
Internal UUID01a0ae95-ccbf-7960-82a7-47a1aea56194 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079110
StatusPUBLIC

Content hashes

Canonical text92b8d8aaf4831e159c5ebc95f3057730861913ef0a9e4f1de560700c95405ced
Markdowncad5e36e61194495e65a17162907b4f871a4bf5868754c9734b7f77c3aa16a11
PDF
Publication pagebc6f90de82b07586e1f3a6946927ec7bd2b5786f4f7d20a99b115d955a09bd8d
Manifestc1977712d5c9f131abc411de215f8e13fb15ae0eb58e8e84ec9f06c67d369d4d

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
SignaturewsjKaUP/2tzjXeIqusBzsBt44tsD/4Hx2b6TcWLlqm1eTDF8Wom3euXsBJeExLwufvdA00LfpyU7iOQ8vVjtAw==
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

2026-09-17T10:05:25.103865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079110
observed bc6f90de82b07586e1f3a6946927ec7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.086213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079110/manifest.json
observed c1977712d5c9f131abc411de215f8e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.065831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079110/publication.md
observed cad5e36e61194495e65a17162907b4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.046733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079110/publication.txt
observed 92b8d8aaf4831e159c5ebc95f3057730...
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.