OpenTechnical

OT-2026-000003796

Publication integrity record

Bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, contact triggered

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-2026-000003796) never changes.

Identity and time

Publication numberOT-2026-000003796 · never reused
Internal UUID01a0a90b-1582-77dc-825c-2b9e688c79e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:51.044868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003796
StatusPUBLIC

Content hashes

Canonical text18100b5c96008b888e11d99a00b10803c9102da65c960ce2b4f7397335c70725
Markdown411ec9b4663bec5c58eaf89c7cf0a965180f841f48915a3881b656cd384f73d7
PDF
Publication page93af59f1e6c7b9453d0dda828104199f6f8975df43fd9e00171611327e25eef2
Manifest1ef810c3a2058192a5d4f3bd827284d7d213d4f15577f6b5610fbc7f941321aa

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
SignatureUpVGNhcjX07sDYas9WOGanKF1OGjmyDoZlfJqUiYzGHqo+avqP0JqyS3jwh0C3RDV7x5tTxzgGh6YbIhxHmaDQ==
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

2026-09-16T07:10:19.835499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003796
observed 93af59f1e6c7b9453d0dda828104199f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.821384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003796/manifest.json
observed 1ef810c3a2058192a5d4f3bd827284d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.807938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003796/publication.md
observed 411ec9b4663bec5c58eaf89c7cf0a965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.794491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003796/publication.txt
observed 18100b5c96008b888e11d99a00b10803...
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.