OpenTechnical

OT-2026-000061820

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000061820) never changes.

Identity and time

Publication numberOT-2026-000061820 · never reused
Internal UUID01a0ae8b-b8ac-7c84-b471-b7af726ab73b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061820
StatusPUBLIC

Content hashes

Canonical text82fedecf8904b4b4ebad261670716d0d815b8dfe1974cea91ca3ba4346880c63
Markdown5404625510d99fed3e85775e763e5fcfe8b6b80271615d47fe31841c2cf21404
PDF
Publication page580cd5913ab955a2d31c6a03cafc855c163193734ee4da7403c9336ddedf07b5
Manifest54034c3cb3ab81bdc509cdf81ffc08547c26769dc7d771265c3631536f058c7a

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
SignatureBLx2kRPAt+MIpsG7Twv34MjSu3b+xO3MVVIqpTOg+8CfzGcnQmALv7k6yCLHpgDFKfa77debzAsFhTUiL/ppAg==
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

2026-09-17T10:40:33.263682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061820
observed 580cd5913ab955a2d31c6a03cafc855c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.240640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061820/manifest.json
observed 54034c3cb3ab81bdc509cdf81ffc0854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.215995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061820/publication.md
observed 5404625510d99fed3e85775e763e5fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.191000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061820/publication.txt
observed 82fedecf8904b4b4ebad261670716d0d...
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.