OpenTechnical

OT-2026-000025066

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000025066) never changes.

Identity and time

Publication numberOT-2026-000025066 · never reused
Internal UUID01a0ae71-2729-7a5c-8ed3-302e0753f1d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025066
StatusPUBLIC

Content hashes

Canonical text949c3c86ddfb56609844c74a0e2f3c37322de3c31b15a3ff92eecbe0ae0a3ae9
Markdownafb1e14b26929a8d5220b1c89438bf55feba068c082b8accc5c34b132672f3c2
PDF
Publication page40d59dabd8515a9a5fbada8e8348d8a1681b9e7453bf37308d27611b4f6f03f3
Manifesteafad73fec62fc571a4e8b783b17b22c683450073f3c6800b2a4560effc5ff8d

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
SignatureKOZly+KXmfGFd9DbdO3tPOO6vvO06A+JyCHgtZ+0joDPcVz8Fo+DXBFo3ivrq6FEpgE5ucLyEU09ocYr73RiBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:28.658491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025066
observed 40d59dabd8515a9a5fbada8e8348d8a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.639805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025066/manifest.json
observed eafad73fec62fc571a4e8b783b17b22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.620995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025066/publication.md
observed afb1e14b26929a8d5220b1c89438bf55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:28.604419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025066/publication.txt
observed 949c3c86ddfb56609844c74a0e2f3c37...
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.