OpenTechnical

OT-2026-000005429

Publication integrity record

Vacuum cup gripper, three zone face, six outlet manifold, ejector fed, pressure verified, silicone cups

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-2026-000005429) never changes.

Identity and time

Publication numberOT-2026-000005429 · never reused
Internal UUID01a0a938-bc5c-7392-a4a7-a09d6642abc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:42.886965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005429
StatusPUBLIC

Content hashes

Canonical text54d51f1547c79f3c484a477318ffc2af6cc24f1d500e2156ff6f781084600ed0
Markdownbe2a2c6f47479fb978edf1e02ef12220000810bae31ba9d1c1afeb9f1ea7d083
PDF
Publication page8075aff75510968228bab965e35e879fe6c8013e0bf9db5df08295ba2911a280
Manifesta6733bcb7107670026f540a2006d08c5570dcf66e56cea2ec916213aded35f77

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
SignaturegT4GQbhsWmlXpo/Rkn4oZedj4Zui2ex9tto87AOnCETQFb6u5IiwZdEVUYJjoj0Nst0LinyuHF8cVxkRg5FYAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:10.493723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005429
observed 8075aff75510968228bab965e35e879f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:10.479571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005429/manifest.json
observed a6733bcb7107670026f540a2006d08c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:10.466982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005429/publication.md
observed be2a2c6f47479fb978edf1e02ef12220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:10.453800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005429/publication.txt
observed 54d51f1547c79f3c484a477318ffc2af...
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.