OpenTechnical

OT-2026-000041970

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000041970) never changes.

Identity and time

Publication numberOT-2026-000041970 · never reused
Internal UUID01a0ae79-e8a7-7d99-94d0-ba739c264cb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041970
StatusPUBLIC

Content hashes

Canonical text1faa3a32c0c6c2f45a5e3e2f43df5ec337e5cb128352b6d844f2bb0f31d585b0
Markdown57bf37b3bbd87d76239a1a71d3fb9658b2999c93f39d7e7644e20e84da8a641f
PDF
Publication page1c27dc3ad5fa0627d09972b72259b1f062983cd35ff1509a75654560e1f85593
Manifest99b8da25a136f8eca05f73f73e94edbfa8c926f1fb4ba14f6fb033369c2b871c

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
SignatureXx+Tc6dFvwbY3k6i7RnKrvriRMMECbcI8uFFW8cQCKWGi7HyXxqZVBX1rXrrgOaDgAM+f6hDiLcQAm9Q1PGfAw==
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

2026-09-17T11:16:51.811339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041970
observed 1c27dc3ad5fa0627d09972b72259b1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.795204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041970/manifest.json
observed 99b8da25a136f8eca05f73f73e94edbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.779507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041970/publication.md
observed 57bf37b3bbd87d76239a1a71d3fb9658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.763878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041970/publication.txt
observed 1faa3a32c0c6c2f45a5e3e2f43df5ec3...
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.