OpenTechnical

OT-2026-000067467

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000067467) never changes.

Identity and time

Publication numberOT-2026-000067467 · never reused
Internal UUID01a0ae8f-6bd9-756e-8c9e-806026328051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067467
StatusPUBLIC

Content hashes

Canonical text5189c2a92919bec55f1bd2432c854374cf096502fd5c82218f3bc524f9aae803
Markdownac0ad86931905a2c25b4bd36ad4061a6798a4e9f2106590da66263af8326a537
PDF
Publication page19d1039ca2bd5f6958713825e52ecee90de41ca2d7bfddc4d2ee4db1872ba076
Manifestc633a1d0727e2fc30d2f90ee36429d355c2e4c2386b5cbf1362ec62f248b77b9

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
Signatureol1EuMUr4Mayc00/XEd1w1ijbL5fiPnPdjew3impvQr2IWTaEQ5edm5Yt6jf2p1trN2h8lRc7yqy99jW9kvZDw==
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

2026-09-17T10:31:40.539185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067467
observed 19d1039ca2bd5f6958713825e52ecee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.522276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067467/manifest.json
observed c633a1d0727e2fc30d2f90ee36429d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.505617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067467/publication.md
observed ac0ad86931905a2c25b4bd36ad4061a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.488084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067467/publication.txt
observed 5189c2a92919bec55f1bd2432c854374...
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.