OpenTechnical

OT-2026-000005133

Publication integrity record

Bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure verified

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-2026-000005133) never changes.

Identity and time

Publication numberOT-2026-000005133 · never reused
Internal UUID01a0a92e-e445-7f45-9eaa-3309eb504af2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:57.736984Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005133
StatusPUBLIC

Content hashes

Canonical text7e3438819ad458445d79d30999d6538c24c502487d407a3ed5fdb99f6919e564
Markdown57bb0d826938bec14146f567e25940432c4145d386a512029f1ebcb5bfacca29
PDF
Publication page8ffe596938bd5a5bd0098878d7e4149597eaffb4734daef06df0d8e6c1580236
Manifestc7e7602c67580cf9a784ad98f5c27773f2fc976b7802368a49e99fdab92c9094

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
Signaturet723zTHGzKQiliG6VtBZePGFTUrE0PoCkL77b3nQHkbA+aFxad7La440stoTh+HRPCSIiMz6VOW+E14jlOc+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:11.911464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005133
observed 8ffe596938bd5a5bd0098878d7e41495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.898112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005133/manifest.json
observed c7e7602c67580cf9a784ad98f5c27773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.886038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005133/publication.md
observed 57bb0d826938bec14146f567e2594043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.872933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005133/publication.txt
observed 7e3438819ad458445d79d30999d6538c...
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.