OpenTechnical

OT-2026-000062501

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000062501) never changes.

Identity and time

Publication numberOT-2026-000062501 · never reused
Internal UUID01a0ae8c-0ac0-798d-be59-f031452c63b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062501
StatusPUBLIC

Content hashes

Canonical text7e60781b940d601df6d1ff53e3179613a5057817c10928655c7b2b823250672a
Markdown3f23d48214bbc653d4420733167d4d0a24bc72ad02e6b842caf2d789369282f9
PDF
Publication pageef181282903a58b591ba9c0702dd9ca4104590003d3e0f5d6db841cd62e67584
Manifest132b40c3c2c2bb4e0cd4718d0aa1d76975e4f73363648ffd002c934cc7835eea

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
Signature6+zZ5H/acNQ/SKq5bb/owzTWRGYuBH6KdO69xGKG7YZqLv0shMpMWnOxinTRsFky9st00wcJo2PJzHaT7FvFBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:51.863324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062501
observed ef181282903a58b591ba9c0702dd9ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:51.845654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062501/manifest.json
observed 132b40c3c2c2bb4e0cd4718d0aa1d769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:51.826434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062501/publication.md
observed 3f23d48214bbc653d4420733167d4d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:51.807810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062501/publication.txt
observed 7e60781b940d601df6d1ff53e3179613...
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.