OpenTechnical

OT-2026-000023632

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000023632) never changes.

Identity and time

Publication numberOT-2026-000023632 · never reused
Internal UUID01a0ae70-aed3-7d28-b1b3-2e95c3f4fb74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023632
StatusPUBLIC

Content hashes

Canonical text865577f392596aa9531185a5bcf3bcb62e6bd04b5fe2a805e9e6c887ff791b5d
Markdowne7f98655bdc6a06339a178eea423f3908a49896bacce6d12b5118ea190bebbc7
PDF
Publication page6f1bbcc4d909c078f61f514713ec4d218ea83ba5d65aa43798988ab5d4d42ca0
Manifest0fb79f9737550f48d068420e90905dae6751dfaa478604701a14fe58355466f4

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
Signaturegede1ZEV1YXgsHua1vwPw3XBmquVMuFSNTmX64UjA/NvU1SdjsebvMB93xNR5CoC0YKGh4fiAkup4SUtMf5rCA==
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

2026-09-17T11:49:50.443703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023632
observed 6f1bbcc4d909c078f61f514713ec4d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.422167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023632/manifest.json
observed 0fb79f9737550f48d068420e90905dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.403385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023632/publication.md
observed e7f98655bdc6a06339a178eea423f390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.386128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023632/publication.txt
observed 865577f392596aa9531185a5bcf3bcb6...
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.