OpenTechnical

OT-2026-000004076

Publication integrity record

Bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000004076) never changes.

Identity and time

Publication numberOT-2026-000004076 · never reused
Internal UUID01a0a90e-4f97-7a16-9a80-c21a6fc785b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:22.522304Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004076
StatusPUBLIC

Content hashes

Canonical textae13174a8e7640eae108f015b819eff26fe2d8016001d52c7a97d7a15d59161d
Markdown03def835a6efe3646c67acaf12cc74a889cbad8ab282fe3fb5c1f78bd3b4655c
PDF
Publication pagea09ae50d9a3117e280afa3ea36717c9c7ec6f6393f92656af639bdc591ca22d6
Manifest243b7c8c088ad027b30b15b2ffa0dd66b741bfa14382d1a5dd006528c3b18fc5

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
Signature0U0YBv9c7gYUGL7hk69VT18pP3524fP3NuT6fezlvfhFqKnUlgBQtktNC3xsffHPzotL1w7iY0IUxJFCymp+CA==
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

2026-09-16T07:30:35.120672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004076
observed a09ae50d9a3117e280afa3ea36717c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:34.949651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004076/manifest.json
observed 243b7c8c088ad027b30b15b2ffa0dd66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:34.936296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004076/publication.md
observed 03def835a6efe3646c67acaf12cc74a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:34.923908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004076/publication.txt
observed ae13174a8e7640eae108f015b819eff2...
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.