OpenTechnical

OT-2026-000026398

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000026398) never changes.

Identity and time

Publication numberOT-2026-000026398 · never reused
Internal UUID01a0ae71-f4a7-7fd2-9d79-553eed906551 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026398
StatusPUBLIC

Content hashes

Canonical text29344275a22b5f50ba222b8baf9109a22bbd9313bf03e1d10f73d72415e4d25a
Markdown9a443bdc45b1606d75d325410b0bd0898ab38bc80097a8cb6736dc6764bdd01f
PDF
Publication pagee0a0b8040e80d3c2b1091cdf52e0a93900374b9b7352e3b8a34b6abe6a925458
Manifest023276fe40144724773d3e1d3dc67299eb3cbbc3b77acb6078667582055ece39

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
SignaturejEAqyv3sweKso6jt3TgTLqhPY4YjMBWbOxHnZh4uBhShT7Chu0fU8F0UdTqhQaqxtjvX4zCuNboRrjOq/svdCg==
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

2026-09-17T11:44:22.944946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026398
observed e0a0b8040e80d3c2b1091cdf52e0a939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.926670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026398/manifest.json
observed 023276fe40144724773d3e1d3dc67299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.910922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026398/publication.md
observed 9a443bdc45b1606d75d325410b0bd089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.894018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026398/publication.txt
observed 29344275a22b5f50ba222b8baf9109a2...
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.