OpenTechnical

OT-2026-000104258

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000104258) never changes.

Identity and time

Publication numberOT-2026-000104258 · never reused
Internal UUID01a0aea5-3420-7b9d-97e6-1acf31f3ab3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104258
StatusPUBLIC

Content hashes

Canonical textd077624f6d5ef625b9b90cdc640d4d1a695e1611d7581ca9d1e08a74f1f38616
Markdown97338db19729d45d3d29274f9b5272ed49f0864f6e14e9bcf7a88acb4c4b605b
PDF
Publication page68be698686b17c24351c2651fe30d9571326dc8f686d2120ddd3843d92ce4a2b
Manifest494ae9164f6f31b3ea893c732fe635a16af14c03e39c8c5046c78660a84dfc51

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
Signaturef1q2kvU+rimlou8IvVjVB/JpQL7ocsI6iJQ4hDCbXdKCGJo+xwM8b4GCXaSpZPtIjMN00pPxAIkZFKKBZW1uAg==
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

2026-09-17T09:20:22.224728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104258
observed 68be698686b17c24351c2651fe30d957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.208078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104258/manifest.json
observed 494ae9164f6f31b3ea893c732fe635a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.190598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104258/publication.md
observed 97338db19729d45d3d29274f9b5272ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.174319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104258/publication.txt
observed d077624f6d5ef625b9b90cdc640d4d1a...
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.