OpenTechnical

OT-2026-000047803

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000047803) never changes.

Identity and time

Publication numberOT-2026-000047803 · never reused
Internal UUID01a0ae7f-c420-7a03-ac7c-33630ae00b71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047803
StatusPUBLIC

Content hashes

Canonical text60ab485747c9314a1f21ec6c0a536780d877aae37f4c5e91cc2aa732c4fa0238
Markdownbadb26876b76d4aa525f642eb9b6916749eef3e5cb32f9ba883aba4d156d710e
PDF
Publication page177a4525c1c1f80a1a010a4b4525a82e029752d7418055e6c7a4c0733a8420ee
Manifest2cb84cecc8ce5f92554f415ab8d85c3396dea9570533d2ff1369f4490ca21a5c

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
SignatureKrm25eZm4GSJTdX68xp6+TN8ks6GZkG4nTEVLF4xojXofJWq2xvX/iutuWtVZIt2bx3t5Wh4GQ6QIldDzpTNBg==
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

2026-09-17T11:05:42.327808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047803
observed 177a4525c1c1f80a1a010a4b4525a82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.309589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047803/manifest.json
observed 2cb84cecc8ce5f92554f415ab8d85c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.291959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047803/publication.md
observed badb26876b76d4aa525f642eb9b69167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.272843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047803/publication.txt
observed 60ab485747c9314a1f21ec6c0a536780...
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.