OpenTechnical

OT-2026-000058618

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000058618) never changes.

Identity and time

Publication numberOT-2026-000058618 · never reused
Internal UUID01a0ae88-f39c-7aeb-be22-cfe5071d520b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058618
StatusPUBLIC

Content hashes

Canonical textdb1b1ce634442cd878ae7cf148f00fa57f525882981622bb5fb98d0c9988d1cc
Markdown6ff27dd9bfa08fdd27751f14ee2f74965fdb88089a31de7349bb65b0a8846985
PDF
Publication page635c34f94c87e753412bc6b1791fb899ec0963596f06b45316e09ac1c2600b1e
Manifest3633c02985d6ffc55c54522f8d0817fa1a2eb8b1ad09aa8a67e620402c139644

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
SignatureNJu/3p/D3aYs2XY5EPri4L1qa9ZMVKPAj/JQNWJeLBY5CFHEj9RtkAmzET8F0OEAwnr1izT9Cxsvy/53lb08DQ==
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

2026-09-17T10:47:07.336055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058618
observed 635c34f94c87e753412bc6b1791fb899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:07.319281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058618/manifest.json
observed 3633c02985d6ffc55c54522f8d0817fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:07.300834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058618/publication.md
observed 6ff27dd9bfa08fdd27751f14ee2f7496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:07.281095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058618/publication.txt
observed db1b1ce634442cd878ae7cf148f00fa5...
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.