OpenTechnical

OT-2026-000038549

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038549) never changes.

Identity and time

Publication numberOT-2026-000038549 · never reused
Internal UUID01a0ae78-2d53-7900-8a0e-217ae28145fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038549
StatusPUBLIC

Content hashes

Canonical textd2a4e76c17e41d1d7dc2b67cc6f3ac2557ad450b211f3e823e73d6dca931271b
Markdown560f68088487dc9bbd766af652ef4cc44567e1b9416dfc22bce13977fef72e83
PDF
Publication paged89623379d486d95e6005aa463ab11166cd101ab66de1a7d5735427defbc5e7a
Manifestd1e8593f14d2bb93c4d30dd084ae53998aaf51051d0eae69d3e37295b8dc7a4e

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
Signaturee0IxYifB73yFLtsUMwc3yPa8babQdCVxGFiCQvet8nWBX5H+UJv0UXa1f6FpwKuSN6r/ucDJBHCCF2hQVZ/YBg==
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

2026-09-17T11:22:48.734402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038549
observed d89623379d486d95e6005aa463ab1116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.716813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038549/manifest.json
observed d1e8593f14d2bb93c4d30dd084ae5399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.697619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038549/publication.md
observed 560f68088487dc9bbd766af652ef4cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.680415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038549/publication.txt
observed d2a4e76c17e41d1d7dc2b67cc6f3ac25...
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.