OpenTechnical

OT-2026-000006303

Publication integrity record

Porous face vacuum gripper, three zone face, three stage ejector, contact triggered, open cell

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-2026-000006303) never changes.

Identity and time

Publication numberOT-2026-000006303 · never reused
Internal UUID01a0a956-2bec-7e6c-8a8a-b98b37b1017d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:51.983576Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006303
StatusPUBLIC

Content hashes

Canonical textd016a1c58cd9256d85e5a3c6bfede4ad734cfbde418a74b6cf7390441be65c39
Markdown741761a3993766a0a22a44ae40a5c1b9430901c398e0d9824e16de406ac8e87f
PDF
Publication pageef271b3f847edb9d8607fe1e0f702839bc22787f2c4ab9b092757e032b2b5adb
Manifestbf61a52170a8e348aa3b7771c63288639f16f506480c7f930fa8cee167fd0e5d

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
SignatureNyRUPoOaVsUyaAGXx17Sfs5aZSrZd7SPQ6m53HM4VWwEgvHSO7RunEy00Bx7ADSOb606EdquX+R96aKOfj5IAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:03.466498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006303
observed ef271b3f847edb9d8607fe1e0f702839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:03.444607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006303/manifest.json
observed bf61a52170a8e348aa3b7771c6328863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:03.419798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006303/publication.md
observed 741761a3993766a0a22a44ae40a5c1b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:03.400837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006303/publication.txt
observed d016a1c58cd9256d85e5a3c6bfede4ad...
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.