OpenTechnical

OT-2026-000046721

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000046721) never changes.

Identity and time

Publication numberOT-2026-000046721 · never reused
Internal UUID01a0ae7e-57df-7381-abaf-0f4be3cd0ce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046721
StatusPUBLIC

Content hashes

Canonical textda5663faf8d50d92dc9db9b2a497034ca370ee57658bc4650ddc9c09f101bfde
Markdownb330b24481fe3aaaf3d5157b5899fca7c9675a8882813243d4c8314baf9b2d2b
PDF
Publication paged856cfe22e55de89c6dd4b922491006ed1755649cce00508a30f282af9d710a3
Manifest2b08ac1e9e4ab3b76309a9b5d1d451cc13d4d8ae9294b1342711495a366a1605

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
Signature5a3SxcYQsmC4Iwdho8OmpXdHztQiwCUcuBEun55stpfW6+tmszETxWBsUxcOExAUnLownwx1RnmW74zxSlXBBw==
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

2026-09-17T11:08:56.719898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046721
observed d856cfe22e55de89c6dd4b922491006e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:56.700010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046721/manifest.json
observed 2b08ac1e9e4ab3b76309a9b5d1d451cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:56.679142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046721/publication.md
observed b330b24481fe3aaaf3d5157b5899fca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:56.660367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046721/publication.txt
observed da5663faf8d50d92dc9db9b2a497034c...
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.