OpenTechnical

OT-2026-000027841

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000027841) never changes.

Identity and time

Publication numberOT-2026-000027841 · never reused
Internal UUID01a0ae72-a4a5-70c3-88e8-b1ed52f1e18f · 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-2026-000027841
StatusPUBLIC

Content hashes

Canonical textea9a3dc29f733481f9af9a35c24f5d7d975dcdebabfd4a7e3944cec7400168e5
Markdowne57e62ce444d1e0e54bb8aeadc218480dea1acbf7ed3e707c5dc9dee01e40fb3
PDF
Publication page1c294336537a7794aa090e03a436a7597399812a20e0d7ba8cc4c5d77a164431
Manifest6edfb648f97235cf9244530f81dd2e5344126ed8a2a0767f689676e270e88579

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
SignatureAeW9E2bYL4vZEeF9FRKqfknY6zMCzRJhj5FH+Fjr/ErmbXz99yNAFMWpSoX1F/YFY0tgbkicTu18ynMx+PGvCg==
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

2026-09-17T11:41:53.793531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027841
observed 1c294336537a7794aa090e03a436a759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.769489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027841/manifest.json
observed 6edfb648f97235cf9244530f81dd2e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.754106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027841/publication.md
observed e57e62ce444d1e0e54bb8aeadc218480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.734388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027841/publication.txt
observed ea9a3dc29f733481f9af9a35c24f5d7d...
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.