OpenTechnical

OT-2026-000005512

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, 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-2026-000005512) never changes.

Identity and time

Publication numberOT-2026-000005512 · never reused
Internal UUID01a0a93b-7cdd-78c8-a09d-db53c99e42b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:43.231263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005512
StatusPUBLIC

Content hashes

Canonical textba3fd0c52e9acc74885e476e288064d5d9f2063a0b4516a0fc84cc03440559c9
Markdown5c8016dad3958ab0aab0ccae357369cc7e6b493a7cb19fe2b633a1d84bfc1748
PDF
Publication page4c615c1b46055a89f75cc126c42f53b4b5717cbf38cb7c4bc2a46cb8b07724fa
Manifeste5f9ea5b20f52335f65a61f531d8f6a8c667db8b6957b2fcc18261c5a3e3b1c7

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
SignatureBGakZHccdQHv/KTAK/Vtqn/Bf4h62NbaecrIip7YCnyjR7eoLnl7QfinxfBvmmrEf9RBijmRqrGKj4HcBfhPAQ==
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

2026-09-16T08:10:31.950291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005512
observed 4c615c1b46055a89f75cc126c42f53b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.936319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005512/manifest.json
observed e5f9ea5b20f52335f65a61f531d8f6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.921337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005512/publication.md
observed 5c8016dad3958ab0aab0ccae357369cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:31.905649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005512/publication.txt
observed ba3fd0c52e9acc74885e476e288064d5...
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.