OpenTechnical

OT-2026-000006113

Publication integrity record

Bellows cup vacuum gripper, three zone face, 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-2026-000006113) never changes.

Identity and time

Publication numberOT-2026-000006113 · never reused
Internal UUID01a0a94f-bf22-7e4c-8eae-256cc60086a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:50.917704Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006113
StatusPUBLIC

Content hashes

Canonical text801bad003aee4bb36ad000683465b30c36afab4aac8015ffc4532f897c4acefe
Markdown81b9a37188f9b6a1a7924d1ba45106b510f2abab8e6a14dbdc8397251af2ef9c
PDF
Publication page6bab016e3a44dc12957ca3a786ffced9f24b7cb9831b464d63195b736c9878ac
Manifest87759fda7a00c01e4a1900c5c66caf2152ba4472b16780b420cf2423ca35a1bd

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
SignaturekuHQxAW89wfjzs59v2QiXx2qqGu8PxZEfzxzZuSrC29nIL2PKLKtPkXgvMiSMKpUT/1Nu9CAzHF1JFrHr5nACA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:25.974148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006113
observed 6bab016e3a44dc12957ca3a786ffced9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.960548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006113/manifest.json
observed 87759fda7a00c01e4a1900c5c66caf21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.945019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006113/publication.md
observed 81b9a37188f9b6a1a7924d1ba45106b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.930503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006113/publication.txt
observed 801bad003aee4bb36ad000683465b30c...
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.