OpenTechnical

OT-2026-000005211

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, three stage ejector, pressure verified, 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-2026-000005211) never changes.

Identity and time

Publication numberOT-2026-000005211 · never reused
Internal UUID01a0a931-6d46-77d2-85be-68911c07f0b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:49:43.881504Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005211
StatusPUBLIC

Content hashes

Canonical text2ab8a51a5786bad8107064fe61919e6505d6a3280aca2387047126999ed67aa5
Markdown329c114ecac1275cc1e46f0730b0d3c6803a4a29e4deec6f6375b3571f3a1b37
PDF
Publication page1cbcc2f3e82cd8eb64655a79e6128cfb416dca63af189d0517798d6e9945485e
Manifeste966c5b3cb8a9140f0197ad99fe533f6e11946bd8231429616e1d31ac55804b6

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
SignatureZVUf6GS3AtUrBUiFBzm2YsHdxpaHVFCo5UVvSMDPTxL+dgtGwa4DwUFZz2Da7YrQ+8JAbY19SbD+SMaFgxKWBw==
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

2026-09-16T07:50:03.370984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005211
observed 1cbcc2f3e82cd8eb64655a79e6128cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.234163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005211/manifest.json
observed e966c5b3cb8a9140f0197ad99fe533f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.222290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005211/publication.md
observed 329c114ecac1275cc1e46f0730b0d3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.210195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005211/publication.txt
observed 2ab8a51a5786bad8107064fe61919e65...
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.