OpenTechnical

OT-2026-000054205

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000054205) never changes.

Identity and time

Publication numberOT-2026-000054205 · never reused
Internal UUID01a0ae85-b3a8-79d0-b830-8219c90f78b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054205
StatusPUBLIC

Content hashes

Canonical textcc87d4a5ecc9f8bd4bb80655a377b72b83ffb7db35c6b029b7777b7a7fb03e1b
Markdownf8dea9059eed5ee6c54a65f020a471fe9c0ded0f60404da56ebb2cfa524a8a44
PDF
Publication pagef7bd7388676a3bcdd1232667a11829b08b97631e67f62afc170d17caf694d9f7
Manifestd8d635afd1187e18b88d6d8c72140d1d43cf37d3a2479cf368f06c57cac18291

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
SignatureNcDRUeGXlQo9jfkvuPrI5vW6LNx6kMKFbQ0M4bNUeDCLJLvzGWcdVPakfS3vSfB2OVWARgNTYqyY9NOyAWz9Cw==
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

2026-09-17T10:54:35.121496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054205
observed f7bd7388676a3bcdd1232667a11829b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:35.104639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054205/manifest.json
observed d8d635afd1187e18b88d6d8c72140d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:35.085819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054205/publication.md
observed f8dea9059eed5ee6c54a65f020a471fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.947647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054205/publication.txt
observed cc87d4a5ecc9f8bd4bb80655a377b72b...
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.