OpenTechnical

OT-2026-000060162

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000060162) never changes.

Identity and time

Publication numberOT-2026-000060162 · never reused
Internal UUID01a0ae8a-5a71-7181-9f74-44ef95b955f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060162
StatusPUBLIC

Content hashes

Canonical textc04ea7ef9e1d2da57769f3a6aca02d4e6e4152e59c0eec635df43edb04c0f94f
Markdownd327d1167c40f093bede9abd31f3a0bd874daa8eb002cec81e2c9c8d3eb2cbc1
PDF
Publication page6cffeb6af70b16402da93ad923259667d62fe693e47797d429f876c17c7fe499
Manifestd545232f5e311b56cabbcc4e1b8eb51bdecb2a9043246a0671dfa8f0b75ae528

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
SignatureYNPOxHNN+ayBKoIxmOyvGzMD0xzDm5mC7nj1VEFtKm/xE3G7FTtdF7H555PgO0HYPKz5301/tfr6USwznI/pBA==
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...

Independent retrieval

2026-09-17T10:43:49.414766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060162
observed 6cffeb6af70b16402da93ad923259667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.397197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060162/manifest.json
observed d545232f5e311b56cabbcc4e1b8eb51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.379982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060162/publication.md
observed d327d1167c40f093bede9abd31f3a0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.362805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060162/publication.txt
observed c04ea7ef9e1d2da57769f3a6aca02d4e...
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.