OpenTechnical

OT-2026-000015909

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000015909) never changes.

Identity and time

Publication numberOT-2026-000015909 · never reused
Internal UUID01a0ae6e-0c4d-7b55-b1aa-03cea0495e47 · 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-2026-000015909
StatusPUBLIC

Content hashes

Canonical textd04602eaf22ff19a6fcf274cca4b7b41cb9dc1143e61a59a38c9d7de4a10eb4e
Markdowncd4c84fe42846c6dfc50098663ff8a8d46e8ee7497e67298ee8fa87fc203a190
PDF
Publication pagede60fa96453254034dacacc30c32743b8c01c1d716721b17b93fd8d19a8db718
Manifest0f8202602c0bcf5f10b3270a55fc2b2f7a33029822e48127c9bb51f6aec2dc9a

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
SignatureqsWIiUaQY+OsO8HYZeQIJnqLJX4r+76vd8Hp1eqXJ4VdFx7Pyep/NYJM46z9hIHdsv/76og+ui4b4XfufVN2BA==
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

2026-09-17T12:05:22.295403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015909
observed de60fa96453254034dacacc30c32743b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.277662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015909/manifest.json
observed 0f8202602c0bcf5f10b3270a55fc2b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.257673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015909/publication.md
observed cd4c84fe42846c6dfc50098663ff8a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.240202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015909/publication.txt
observed d04602eaf22ff19a6fcf274cca4b7b41...
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.