OpenTechnical

OT-2026-000054793

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000054793) never changes.

Identity and time

Publication numberOT-2026-000054793 · never reused
Internal UUID01a0ae86-1285-7a50-bdc7-9dce14cdcf3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054793
StatusPUBLIC

Content hashes

Canonical textee6a207fbf8ff30e7307b47f4747c55aad425bf91c4542ae4ae68485d16e179e
Markdown4aa8e3b0511343d83f3ab7dedee93072a796358d669dab609ccd3cff9337639b
PDF
Publication page7e932e90ad2531393f0fdefc9229f4f30e862dfa17ef4e40513efcaef6a02322
Manifest8af489bc0ee1bd35b4bec276fd2147a4a98d115a45571cd5258948cd62ec5b33

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
SignatureC+ryCovPIjUUMmjqEm4UJxN0DKF+oOuKawtmzB8JggJ/XoFTghVrzbO2uXjkie3jhApCxTaknDVubuIXM0mHDg==
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

2026-09-17T10:53:59.573506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054793
observed 7e932e90ad2531393f0fdefc9229f4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.555202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054793/manifest.json
observed 8af489bc0ee1bd35b4bec276fd2147a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.537103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054793/publication.md
observed 4aa8e3b0511343d83f3ab7dedee93072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:59.520512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054793/publication.txt
observed ee6a207fbf8ff30e7307b47f4747c55a...
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.