OpenTechnical

OT-2026-000056473

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000056473) never changes.

Identity and time

Publication numberOT-2026-000056473 · never reused
Internal UUID01a0ae87-7af4-7bef-93e0-3e8909898aa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056473
StatusPUBLIC

Content hashes

Canonical textee61e723cabeab13a8b8901b3d3716ff5016815e563b27137cfe0f9f4c731b85
Markdownb616a86b541e74a2a47d08c4bdbcd0d7537bc3fda36326579cb27d357ac8a1a9
PDF
Publication page1fae8892101d8757345e28e2d2f64ed3f6df76a336a27da8dbff9c4058b95276
Manifest4f8423c77d53c3aca67d8bb9fe79518e6e0f809c880cac1a7d00de7b11342142

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
SignatureNjEE4jcbOKhmkGD9nlGdpCF/jMFq4ZpzRw38XlbucFo3rx0cJ+9tHMgZoUUkwTkZv8GSlOReRr2U6BiocVYABA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:46.771775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056473
observed 1fae8892101d8757345e28e2d2f64ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.755655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056473/manifest.json
observed 4f8423c77d53c3aca67d8bb9fe79518e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.735784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056473/publication.md
observed b616a86b541e74a2a47d08c4bdbcd0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.716585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056473/publication.txt
observed ee61e723cabeab13a8b8901b3d3716ff...
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.