OpenTechnical

OT-2026-000027829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000027829) never changes.

Identity and time

Publication numberOT-2026-000027829 · never reused
Internal UUID01a0ae72-a4a5-7573-8254-76abcf7c73ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027829
StatusPUBLIC

Content hashes

Canonical texta524dcc8202341c7bf4a22d03f42680e69e890e2e8648fa85cc25a5d27ed875f
Markdownb58ce7e11b73dcdc4cf30385c015eb27dba7c4cda446ce8dd4dc38ce850a4263
PDF
Publication page4185cb1f9f1310f8d3252b473ff0a2e2ae36daa3f4b46ee61b9892d4d0ebd20d
Manifestc2ff3271a5e7d867b2060d71ac0d7c9e98d92d28c01c7681d2d8a0041d04ab42

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
SignaturesHqPMv7ZQGA9u8akIqz5C7qoZ6lyx8mIfR3X4Trn8lvwCK7Xq+NLn/tfICuWpD9t6j9A0w4wrOrHq0xBaWVpBA==
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

2026-09-17T11:41:52.963620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027829
observed 4185cb1f9f1310f8d3252b473ff0a2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.942844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027829/manifest.json
observed c2ff3271a5e7d867b2060d71ac0d7c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.923521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027829/publication.md
observed b58ce7e11b73dcdc4cf30385c015eb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.905103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027829/publication.txt
observed a524dcc8202341c7bf4a22d03f42680e...
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.