OpenTechnical

OT-2026-000041177

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041177) never changes.

Identity and time

Publication numberOT-2026-000041177 · never reused
Internal UUID01a0ae79-b143-7080-850d-435ae1d9ed12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041177
StatusPUBLIC

Content hashes

Canonical text10adeba70c2c57e657569b2e5ae1022f44fe9fe60c6715e41789293bb7446ad6
Markdown0b108dac45e751551899384a4b5a4eb60363116b6902b29200fef028d739bb70
PDF
Publication pageba0c528624b50b8cd139bbc6c448d369f4c0afd4d02c2a724f4bd2a5f2d8c557
Manifesteaa37cffc02fecafc15abc575ec44b66fbdebf9b93b9a91767ab06627ef6975b

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
SignatureDwCRWNyuUZKk684i+JWQhbBOiylTuT4fq9hV9uI11xGdh+E4yS/yjuRKmdEvX0DrkDsZcAW/4/QukvdjA9SRDg==
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

2026-09-17T11:17:07.501822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041177
observed ba0c528624b50b8cd139bbc6c448d369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.486227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041177/manifest.json
observed eaa37cffc02fecafc15abc575ec44b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.466632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041177/publication.md
observed 0b108dac45e751551899384a4b5a4eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.447452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041177/publication.txt
observed 10adeba70c2c57e657569b2e5ae1022f...
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.