OpenTechnical

OT-2026-000054252

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-2026-000054252) never changes.

Identity and time

Publication numberOT-2026-000054252 · never reused
Internal UUID01a0ae85-b3a9-7ff2-af06-8eb4da5e35bf · 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-2026-000054252
StatusPUBLIC

Content hashes

Canonical textaffc905abbd318c68b4dc1ad5f0549ccca23aa13c788502577990ef22c8d3e22
Markdown864722ce0cca05fabc2af4fe8984ccc62c6a6478673b7aaeb4fe00580f1c0a07
PDF
Publication pageb9e153f503ab223ee11825a3875a7071773f9b7ba5694ce803be9cb075577f15
Manifest15b65e78b0a8607096f2f7f6a3219867a1e5db4637f462287f20a711ec805be4

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
Signaturegx3hk/AlPvJC89WjOsjHGcow3XfdygAAepQ7ZGTuv6NKvyvDqUXEqWinkMB4laJS5RIYFc6bowAiE6oxPRkkBw==
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

2026-09-17T10:54:44.332344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054252
observed b9e153f503ab223ee11825a3875a7071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.314292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054252/manifest.json
observed 15b65e78b0a8607096f2f7f6a3219867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.291730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054252/publication.md
observed 864722ce0cca05fabc2af4fe8984ccc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:44.272852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054252/publication.txt
observed affc905abbd318c68b4dc1ad5f0549cc...
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.