OpenTechnical

OT-2026-000039900

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000039900) never changes.

Identity and time

Publication numberOT-2026-000039900 · never reused
Internal UUID01a0ae78-d8d6-7bed-bb2e-dcf8284e598e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039900
StatusPUBLIC

Content hashes

Canonical textaf90bdcb507786a8eae641d7865f1262ca2970d1d68629707ebcfba1a2d91380
Markdown8b37c0f5951ec69a29bd5e39cccb81c7089beaf7baba9a6c0e8e8d1cb92f304e
PDF
Publication pagefd5aff95952d5f76a86fec7358f3a52043acfdecc8bacbfe877e8116473c757c
Manifest7f8a2eff291caa1676d58e0f1240f68ade7d424e6a2afd300a665ed3498bbc67

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
Signaturecisrw+azHkEQxTT2dTvTMbB+N/ucG+rkPwSi/BRvlgNzBYte5KBe2JsvIb9SCY2urlq3LmKhI10GxHDzEpHJBw==
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

2026-09-17T11:20:11.481437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039900
observed fd5aff95952d5f76a86fec7358f3a520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.463169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039900/manifest.json
observed 7f8a2eff291caa1676d58e0f1240f68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.445726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039900/publication.md
observed 8b37c0f5951ec69a29bd5e39cccb81c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.427199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039900/publication.txt
observed af90bdcb507786a8eae641d7865f1262...
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.