OpenTechnical

OT-2026-000032972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000032972) never changes.

Identity and time

Publication numberOT-2026-000032972 · never reused
Internal UUID01a0ae75-4843-748a-b6b2-5973d11bac71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032972
StatusPUBLIC

Content hashes

Canonical text204411cb63a3e2fc18c18384aa221b34df0a3c1366c19332aec0239b36deba89
Markdown16c0a578a7d2f6863c0927213d4aae5eaf6c0d009fa53c76329c7e9c8ef9d172
PDF
Publication page283c5345dac627960bb56bb3df8efd2de817d0d9497564cd5881e70d994f67c0
Manifest7fc368119f7399d74f1efce7a89fb314f177a4a3549b6bb3209ce680bace52eb

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
SignaturewuXabGISrvrwJwGhdzcGg0NCQPF/5Z9DlEXICg0l5HmJpNavpNY5mQSPeslGYT7Llfq3wV3ptrgqjtsoxQeyCA==
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

2026-09-17T11:32:34.884791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032972
observed 283c5345dac627960bb56bb3df8efd2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.867416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032972/manifest.json
observed 7fc368119f7399d74f1efce7a89fb314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.850462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032972/publication.md
observed 16c0a578a7d2f6863c0927213d4aae5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.833912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032972/publication.txt
observed 204411cb63a3e2fc18c18384aa221b34...
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.