OpenTechnical

OT-2026-000049010

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000049010) never changes.

Identity and time

Publication numberOT-2026-000049010 · never reused
Internal UUID01a0ae81-134c-74bd-b5c5-bae39336b546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049010
StatusPUBLIC

Content hashes

Canonical text5c54509619a6d94878bbfa8dbd4476083c113fccbeed48e3070cfd8e80ba01e0
Markdown9ba6af0d8721c3955cbc1cf2d09170cfbe5601ca7e049c50143aaa19bf75ffaa
PDF
Publication pagefd298060464a1c785edf0aa4a5486f0b3fe401f6e0283aef7033d089154d2145
Manifest236fc6782e8c04f4ac3013ed2f7e9bbcf59ed823502ec1b5006e7d4aed52400e

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
SignatureH50WC8f1oVdse9/Urok52J+nE0K87F7MBtsfyRSC8bUojC+8tYHoZvF0lgawJ65S7R5LcEKM2ZmoLtfxPh7wCw==
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

2026-09-17T11:03:13.407932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049010
observed fd298060464a1c785edf0aa4a5486f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.389139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049010/manifest.json
observed 236fc6782e8c04f4ac3013ed2f7e9bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.371733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049010/publication.md
observed 9ba6af0d8721c3955cbc1cf2d09170cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.352400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049010/publication.txt
observed 5c54509619a6d94878bbfa8dbd447608...
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.