OpenTechnical

OT-2026-000022958

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000022958) never changes.

Identity and time

Publication numberOT-2026-000022958 · never reused
Internal UUID01a0ae70-46ec-74d9-8bbb-eeb73b0669a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022958
StatusPUBLIC

Content hashes

Canonical texte9d0b30d30ecc8bb1e9b83baa338d2e58a7e2c3fbb1241fd5f06e14b623e14aa
Markdown8e94711468edff53c71e968e62261ca5efee2abefae2b94b9677472d33587d6d
PDF
Publication pagedf8fc5b59bdaa11fdd43c21effa68c3a97ae59e5d794ceab56481875bfff4dab
Manifestdf1f8f034def43e0aab2042c53c6862b0bca01f2ad4e52c44f8ead8f38c22ed1

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
SignatureyurRpM2pE/aeOi81eL8oe4Z+eTl+ZTyrWFLapYhiD9oLwAm3tTbZZNeJVgVT+KF5XDzuyScNzwq1hLYP7pfWBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:32.571005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022958
observed df8fc5b59bdaa11fdd43c21effa68c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.555589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022958/manifest.json
observed df1f8f034def43e0aab2042c53c6862b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.540790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022958/publication.md
observed 8e94711468edff53c71e968e62261ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.524593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022958/publication.txt
observed e9d0b30d30ecc8bb1e9b83baa338d2e5...
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.