OpenTechnical

OT-2026-000062533

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000062533) never changes.

Identity and time

Publication numberOT-2026-000062533 · never reused
Internal UUID01a0ae8c-0ac1-77c0-aba3-e24266ab4d5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062533
StatusPUBLIC

Content hashes

Canonical text467f38fd6bfe1725f8a3f6ac54a4a344d8f87d3072cf3f707f11b912e5dbc7e5
Markdownc52b3c1456776f1c7fa77a5d36218f694a595e01d42239a615b19331e24c4c55
PDF
Publication page19a36ac67ef051de7d4b9a979d9015b3c4fd808bd88e68abf06b195837b55413
Manifest9ddc2b01385aa4acc6ec390d8d0ceced157aab5751bfedd3d26356c4ac6855e7

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
SignaturenIbb9vM+iYhuPe90+lCfJRcW4/GxBz9XxB6NmHex3QRsGSoL+OxD2QS/I9+zH+/EP2R4C9W+wHw0Rp6wgHcZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:59.693361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062533
observed 19a36ac67ef051de7d4b9a979d9015b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.673793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062533/manifest.json
observed 9ddc2b01385aa4acc6ec390d8d0ceced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.653521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062533/publication.md
observed c52b3c1456776f1c7fa77a5d36218f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.632755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062533/publication.txt
observed 467f38fd6bfe1725f8a3f6ac54a4a344...
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.