OpenTechnical

OT-2026-000080175

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000080175) never changes.

Identity and time

Publication numberOT-2026-000080175 · never reused
Internal UUID01a0ae96-7e76-7ac1-bc1e-3f4c0cb707cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080175
StatusPUBLIC

Content hashes

Canonical textd00c893d5cec5c7cd02a855479c12cafefaa352079be00fe34380c24308675e4
Markdownfdf93f748d0f94ea510f45daa78d9fbbdeb9fc2fb5af994f907ff97311dec9ce
PDF
Publication page6f8f94168eb3486d428203b7563193618fe3a6ab526be12317467d3fe2eedda5
Manifest896fb6bfccc8989a7b188508b105c8d7cb0040a01b75e3a8af65bd1deedd2ba7

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
Signature4T2NmKiob8AD62M5Umq9KhEODE98qZvMcgEQcYeJRd0LCWSwWo4/xjU0PnbWRQrESDB5xs6bmRl2NwkeOr1NCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:36.685317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080175
observed 6f8f94168eb3486d428203b756319361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.669533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080175/manifest.json
observed 896fb6bfccc8989a7b188508b105c8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.651809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080175/publication.md
observed fdf93f748d0f94ea510f45daa78d9fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.633625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080175/publication.txt
observed d00c893d5cec5c7cd02a855479c12caf...
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.