OpenTechnical

OT-2026-000051909

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000051909) never changes.

Identity and time

Publication numberOT-2026-000051909 · never reused
Internal UUID01a0ae83-7c85-739d-8c6e-ed94b73faab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051909
StatusPUBLIC

Content hashes

Canonical text6e32933220097990592a33b666bcafe8d2a549368f16dd80580dfd5e47b6c2ce
Markdown79f0ef8450ebad43a4ede748c9708b233581aafc74d8bce4e77ec796d732fd98
PDF
Publication page47a79947d7622912043a0f1238c294b91bfd824eab8d018f66cce9cc8590a339
Manifestc445429e9a6522612e1bfef4cedc8ee62e3feef6fadf10a7d4edea6e9a5494c1

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
SignatureYQrgXueUrBWjlXkBRkGUGMz7qwZxZYE8Tewm960loEdEu2rLLQFsRxt1CZsrVfZwjEABL3+rgRyB/SnvMVmlBQ==
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

2026-09-17T10:58:52.564497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051909
observed 47a79947d7622912043a0f1238c294b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.544430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051909/manifest.json
observed c445429e9a6522612e1bfef4cedc8ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.526200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051909/publication.md
observed 79f0ef8450ebad43a4ede748c9708b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.507880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051909/publication.txt
observed 6e32933220097990592a33b666bcafe8...
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.