OpenTechnical

OT-2026-000062037

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000062037) never changes.

Identity and time

Publication numberOT-2026-000062037 · never reused
Internal UUID01a0ae8b-b8af-71d8-8f42-69c7c05facdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062037
StatusPUBLIC

Content hashes

Canonical text21d89cb5068df991c090c2e69b088bf6e29c7629d80b598977ac69994a9c739d
Markdown239e45dc69b887d9ff9bb1f6b3d42232321a84f6eede82673de9a3c2efbffd23
PDF
Publication pagecd92a3c3f27a4662ab5c54cb804c0d80cd91f5507145559f8fa293a8731b0a88
Manifest99bfab9ee7e23c099293a0cff116e9787cbe7822230e6e1979123af48fb7a0c8

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
SignatureJ2qfdddXOV5pHm3YWi6Sl4utqTiV3o8ygVY8xgrqbF26W4PIptfqhJQHL3BxLfSVxc7uU5jOvkJzhDRnYalOAg==
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

2026-09-17T10:41:04.507495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062037
observed cd92a3c3f27a4662ab5c54cb804c0d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.488811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062037/manifest.json
observed 99bfab9ee7e23c099293a0cff116e978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.457390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062037/publication.md
observed 239e45dc69b887d9ff9bb1f6b3d42232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.428966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062037/publication.txt
observed 21d89cb5068df991c090c2e69b088bf6...
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.