OpenTechnical

OT-2026-000056474

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000056474) never changes.

Identity and time

Publication numberOT-2026-000056474 · never reused
Internal UUID01a0ae87-7af4-70b0-beff-d54d652fe202 · 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-2026-000056474
StatusPUBLIC

Content hashes

Canonical text325571e5eed6d413ba1b4141c0ed3767b857c5655c3b157a4f011a34df9271b8
Markdown775f2245379fe63bcb7d72b5d7a0a5767a268ea7ec245480a89ab3eef6991162
PDF
Publication page05e5da75947be5f074bdadd989e0e14444d16166222320343776c680452e0d7b
Manifestf020147e52b3c407279a79f0f9ee668ae45f9e11370159a169c3d7016c3349e9

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
Signaturewju5AVy/1PpO3cMMyeCYHjO1aKTsZPBC7M1NGFdM7FWTbZg1W7wz0cv4rfZr72f+5DaHy0pOeVOlKokOFSIsBA==
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

2026-09-17T10:49:46.843828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056474
observed 05e5da75947be5f074bdadd989e0e144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.826470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056474/manifest.json
observed f020147e52b3c407279a79f0f9ee668a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.809075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056474/publication.md
observed 775f2245379fe63bcb7d72b5d7a0a576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.792357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056474/publication.txt
observed 325571e5eed6d413ba1b4141c0ed3767...
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.