OpenTechnical

OT-2026-000017817

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000017817) never changes.

Identity and time

Publication numberOT-2026-000017817 · never reused
Internal UUID01a0ae6e-96fb-7960-bed1-cb7ac1e8146a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017817
StatusPUBLIC

Content hashes

Canonical text45f22d674f2013f0ded3f6843ebc8cd1cc1be0e8fc0d5b500450820145f5e3c9
Markdown4bb6f6a80c94fc651522df1cf48bb1bf8a6ba22824164da57e39458639bde73c
PDF
Publication page0109a45f4f63f0cdc33b8256639adb7646c46fb09c2916d2de77ac2ce5b8c1c4
Manifest554f806ff0746bc695969e3f6fff3862866dacb9d67c37dc1722efd00521edb0

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
Signature6Mz30bqZpP2Bln3y/bfCJbjLIKgbyEBgrHM9u+F06WddltTukO4gp1ApRfuPROUyk6jMGIOeSBQw25E8d/kUDw==
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

2026-09-17T12:01:47.315204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017817
observed 0109a45f4f63f0cdc33b8256639adb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.299659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017817/manifest.json
observed 554f806ff0746bc695969e3f6fff3862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.282252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017817/publication.md
observed 4bb6f6a80c94fc651522df1cf48bb1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.266708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017817/publication.txt
observed 45f22d674f2013f0ded3f6843ebc8cd1...
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.