OpenTechnical

OT-2026-000015938

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000015938) never changes.

Identity and time

Publication numberOT-2026-000015938 · never reused
Internal UUID01a0ae6e-0c4d-7321-9c7c-ca55a1da555b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015938
StatusPUBLIC

Content hashes

Canonical text09a53d1f12850b1b0a719046ab77538134eef3454aa277e47c119a7130e079e3
Markdownfcf6d2d4f422a6215266c0bf5c0398129c13d408e0d0796a203d3ab39671cc0f
PDF
Publication page880f52f1e77a9c75c7c5f2a9f0fd6abd0bbde61115da42381c970d0fce737b98
Manifest946466b4cfa2f8ab72f95d40839d25b267c81c0102b2bf2813aa0ac483fe97a5

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
SignatureJxSzZ79Yphjhei8xL3/s9n9lpbz0zUlMEpKnELfyS2w5bFTh1Nn2Ds8frWm1J0dK9i2WtdnX3036Qb7PoUutCw==
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

2026-09-17T12:05:24.680969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015938
observed 880f52f1e77a9c75c7c5f2a9f0fd6abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.659510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015938/manifest.json
observed 946466b4cfa2f8ab72f95d40839d25b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.638690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015938/publication.md
observed fcf6d2d4f422a6215266c0bf5c039812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.616831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015938/publication.txt
observed 09a53d1f12850b1b0a719046ab775381...
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.