OpenTechnical

OT-2026-000016893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000016893) never changes.

Identity and time

Publication numberOT-2026-000016893 · never reused
Internal UUID01a0ae6e-591a-7ec4-8778-1124abf989d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016893
StatusPUBLIC

Content hashes

Canonical texte4bc0e3c7da4922bc29bd6222a9bd20c1edb6fbdbff4ece500f72826c6244a31
Markdown97c23417a1abaa427cbe289af34b14d982a49998ec07b5adbc11d1c7e1c4472d
PDF
Publication page8ff5441c9c02531825f45649f3ae1e1b47d7ed5360e1f04bb384bd58ea45ab0f
Manifestf66746202f69cca85f6bbaa0cd961eb1feda61d88c1b9b1b35e04395f73ed628

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
SignatureRstJrwaqVTbF7EPsJgRmYRQKGxbXw1ohzc1bwVwUFIS+X0PKsaeYr33YaTI8osmuWpp0QQThP+dckKzcjgX6BQ==
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

2026-09-17T12:03:10.009371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016893
observed 8ff5441c9c02531825f45649f3ae1e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.993144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016893/manifest.json
observed f66746202f69cca85f6bbaa0cd961eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.977567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016893/publication.md
observed 97c23417a1abaa427cbe289af34b14d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.960599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016893/publication.txt
observed e4bc0e3c7da4922bc29bd6222a9bd20c...
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.