OpenTechnical

OT-2026-000068874

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000068874) never changes.

Identity and time

Publication numberOT-2026-000068874 · never reused
Internal UUID01a0ae90-6dcc-7610-bb2e-09d333f6b18d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068874
StatusPUBLIC

Content hashes

Canonical textd0984f3ad3892f79995d48e45df1aa1bdec6f3ae86cc9c624314e459ce11d6f9
Markdown97e2a17be43c30353d158fff6a23ca23b619b725fda5c217677d1061affe6184
PDF
Publication pagef0f4923ea71be9762999805ef3faf66a92e3b69dacccb32b7ad1df89f01adb2c
Manifest95ada4416ad3e749763d729e55271f9aada9ffaacec2b26a6e0dc55cb6047d00

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
SignatureI2xhOoZ+t/sHw4q8H+/OOdLx+mSozYQahp2z7jktHnhJ2a/3JwfjIESLxMqe6FwEsM+oHtjoKmgguxrkaf0SBg==
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

2026-09-17T10:28:41.437894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068874
observed f0f4923ea71be9762999805ef3faf66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.421569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068874/manifest.json
observed 95ada4416ad3e749763d729e55271f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.405710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068874/publication.md
observed 97e2a17be43c30353d158fff6a23ca23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.390080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068874/publication.txt
observed d0984f3ad3892f79995d48e45df1aa1b...
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.