OpenTechnical

OT-2026-000062397

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000062397) never changes.

Identity and time

Publication numberOT-2026-000062397 · never reused
Internal UUID01a0ae8c-0abf-7618-9d1b-a16d59f31817 · 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-2026-000062397
StatusPUBLIC

Content hashes

Canonical text39eb3acbab7d9d2e0044b96da1b6fa678a08db0f79342ad0d99046374631594f
Markdown64e752aa5023e38bd56950f401f06340e27b6d65e98c3792fa131a0466385fa4
PDF
Publication page7b214dd968e033cfc919ca7963de7863726457176f299009a3055a693e9a723a
Manifest5a7c409b6d2e0e9b20b3b2278aeedcd24b0c4b1962f5f94edb4f864d7271c65f

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
Signature702nUIhpNyrtacDv18HehYtK+RMgrZ3GlMVh07lhA6+bOT2KzTOLj/3zGtwHnEc5XFGgujd+wQtdM4aL2CKFAA==
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

2026-09-17T10:39:43.360606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062397
observed 7b214dd968e033cfc919ca7963de7863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.340633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062397/manifest.json
observed 5a7c409b6d2e0e9b20b3b2278aeedcd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.320611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062397/publication.md
observed 64e752aa5023e38bd56950f401f06340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.302387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062397/publication.txt
observed 39eb3acbab7d9d2e0044b96da1b6fa67...
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.