OpenTechnical

OT-2026-000024641

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000024641) never changes.

Identity and time

Publication numberOT-2026-000024641 · never reused
Internal UUID01a0ae71-2725-7036-ab61-55b70dc7e905 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024641
StatusPUBLIC

Content hashes

Canonical text91dd9b9eb478e30cf901e4cfc018e4d83ab12c29ff8b4a46ff8f9f69b73511cd
Markdown5f0371e998c457a22b8b9501fdfd6af06a764c18b44a2f477e074430bb58da22
PDF
Publication page93bac4f4a3b9151aeee3be40ab38c67588d21f193608e84e00b9fa1ccddda46c
Manifestd4999113fb635a828becff059545ee0fc1f59eaa3cea8c53f65edba19371951a

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
SignatureD1XwHDsknLaYNdnkE6KrubYYv+3jnZG+A0un2Lt5deP/EId8IkRQCFf2TIDUrHto0prt/Qg4XwMYQkCzg3IIBQ==
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

2026-09-17T11:47:50.267920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024641
observed 93bac4f4a3b9151aeee3be40ab38c675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:50.249648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024641/manifest.json
observed d4999113fb635a828becff059545ee0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:50.228721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024641/publication.md
observed 5f0371e998c457a22b8b9501fdfd6af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:50.211196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024641/publication.txt
observed 91dd9b9eb478e30cf901e4cfc018e4d8...
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.