OpenTechnical

OT-2026-000058948

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000058948) never changes.

Identity and time

Publication numberOT-2026-000058948 · never reused
Internal UUID01a0ae89-479f-7569-b4ad-dcd92574e4e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058948
StatusPUBLIC

Content hashes

Canonical text9a0086b06ed386a1736e2b0e10f0e4a48c7e596beae9dd944140ac824d02cef5
Markdownbda1c38f17fbec13caf0576acaed8ac3107014e251b65b557e05d4ed385be111
PDF
Publication pagec74f27f10b14ef3ec0e2b2ac25a9ba447d2ce2d4c1f6d2854c5f865d90b6f4af
Manifest8109aa0fc4a03fbc98f8f65a872d8687280c800bd914937bc1d50462d399a478

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
SignatureO7u9E7NlBa2uQiwdg+yRDHm4DsC93gg1mTXxhzERVt4jNQA3ecVF1zM7YgwWtH6GHYG7G5+HE9NK1SddOjszDg==
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...

Independent retrieval

2026-09-17T10:46:31.443604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058948
observed c74f27f10b14ef3ec0e2b2ac25a9ba44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.426858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058948/manifest.json
observed 8109aa0fc4a03fbc98f8f65a872d8687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.408026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058948/publication.md
observed bda1c38f17fbec13caf0576acaed8ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.391105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058948/publication.txt
observed 9a0086b06ed386a1736e2b0e10f0e4a4...
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.