OpenTechnical

OT-2026-000053145

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000053145) never changes.

Identity and time

Publication numberOT-2026-000053145 · never reused
Internal UUID01a0ae84-a432-7988-9903-899d9e6fc609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053145
StatusPUBLIC

Content hashes

Canonical textec0e220e6a6fe75ff212799336cbbce805f74a8ff93a7355f35b01e6ac7b7826
Markdown50f59d46a401ff3dceb67854f9a014c7c04ffbb2f641db5de10d363145c9d7c2
PDF
Publication page2e2433a6e92b52736192baf4c3c90ca5af8646493ac18e2320c7ca6f65ead149
Manifest9272c0e4d07ed3526e99d35f89d9185ca47e93b50159bd856a2d8a0856d1011d

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
SignatureSqJvYMzl1U8d2v1DdqfnexCl1KR4rXe5mAuTlylcGJH0FfeIqPPqnbvrggq/b8hVddl1++nxyfn24n2WqkAECA==
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

2026-09-17T10:56:57.729459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053145
observed 2e2433a6e92b52736192baf4c3c90ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:57.708592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053145/manifest.json
observed 9272c0e4d07ed3526e99d35f89d9185c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:57.688286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053145/publication.md
observed 50f59d46a401ff3dceb67854f9a014c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:57.669541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053145/publication.txt
observed ec0e220e6a6fe75ff212799336cbbce8...
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.