OpenTechnical

OT-2026-000054240

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000054240) never changes.

Identity and time

Publication numberOT-2026-000054240 · never reused
Internal UUID01a0ae85-b3a9-7f4b-b537-8da917c368a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054240
StatusPUBLIC

Content hashes

Canonical text6cd75871d90a51d8aa9cda42d53abd1133fadf8b7b39786cff4668a876e66466
Markdownac6a26a4d3cce6f626cd23164d645919a952ad0ab6fb8b6cc5ca5bc4b17dea8c
PDF
Publication pagec381451c883b7b4b17e27f44b89f696bb258ed9d96c7e5121e8f9190d7ccf6e8
Manifest2aabc22eeca4b4a74c5e5ade2bfb785d1315a28b0620a4bc8d842a97c8227a1e

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
SignatureFwguSoJn94BZJ99FWfWyA+YSGMBabXJGZ3HYXrYTnVZhA6HZEZ2oyvWKtgiSsRVTpng6BJwJOgxQ9KtzbJyuAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:43.480053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054240
observed c381451c883b7b4b17e27f44b89f696b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.461868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054240/manifest.json
observed 2aabc22eeca4b4a74c5e5ade2bfb785d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.441049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054240/publication.md
observed ac6a26a4d3cce6f626cd23164d645919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.420907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054240/publication.txt
observed 6cd75871d90a51d8aa9cda42d53abd11...
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.