OpenTechnical

OT-2026-000003949

Publication integrity record

Bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector

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-2026-000003949) never changes.

Identity and time

Publication numberOT-2026-000003949 · never reused
Internal UUID01a0a90b-8ec4-73a2-9bd4-88260e045688 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:22.086788Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003949
StatusPUBLIC

Content hashes

Canonical textc2c5e7f9cf1a405a32a2fe27055bdfe9dce20bd50dfccb0ee15dbead6b585c87
Markdown79a6bae7d31e49971395893cd00bc2e9ac4a966ffef2ca04f31533ffeb400ac9
PDF
Publication page39b1cf44a14c54be2433e165dd40e9f0729cfc9c24d9c4c080a296878942bae1
Manifestc86ed0d495ebd6bde6836009d13a9b55e2bdb30894bd0f5abd49df410390ae43

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
SignatureaYEpEfCw/RmXmbC3hbQArXYL54+iEDWJ13DdW252LnTVwxLZdhO1wN96vVzULHBHoCwSFh6IlnrUbFyqRR7iDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:10.457984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003949
observed 39b1cf44a14c54be2433e165dd40e9f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:10.443105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003949/manifest.json
observed c86ed0d495ebd6bde6836009d13a9b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:10.428276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003949/publication.md
observed 79a6bae7d31e49971395893cd00bc2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:10.411460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003949/publication.txt
observed c2c5e7f9cf1a405a32a2fe27055bdfe9...
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.