OpenTechnical

OT-2026-000097048

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000097048) never changes.

Identity and time

Publication numberOT-2026-000097048 · never reused
Internal UUID01a0aea1-01c9-754b-96ab-5b8d0e3eebb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097048
StatusPUBLIC

Content hashes

Canonical text40b69f1df2cc7c867e2a9a4a1c20422b37c1a4d30ad77e76d8fcb3a9b7a8f5e8
Markdownb3e9bafda496474cbd20d98d591af1984806d52f70286d44f1e7e9430e4cb65f
PDF
Publication page4fe1baea71053e0aa6de09cf142a743910636f8e8c61ae54845e8c27f7bdabd0
Manifestbe1840c3416051cf55e35855793dd324801f5982c931f8108c46c0ae67b61c7d

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
SignaturetQiYhsfU2e2/sphOyk40E7don94W1wZcm6NkasX1uhbYGp88XzrlRDluOKL9Vz4Pl0tnBHYyR6gz27A8EqhLAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:35.394064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097048
observed 4fe1baea71053e0aa6de09cf142a7439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:35.375969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097048/manifest.json
observed be1840c3416051cf55e35855793dd324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:35.358826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097048/publication.md
observed b3e9bafda496474cbd20d98d591af198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:35.340848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097048/publication.txt
observed 40b69f1df2cc7c867e2a9a4a1c20422b...
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.