OpenTechnical

OT-2026-000081375

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, sustained blow-off before 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-2026-000081375) never changes.

Identity and time

Publication numberOT-2026-000081375 · never reused
Internal UUID01a0ae96-f375-785d-9d09-ba94813f98a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081375
StatusPUBLIC

Content hashes

Canonical textb7a3ef19951ef031373739ea5e83657912deab4d4e8866d8b4bb09713a415c4e
Markdowneef3493dab0b7b587b0f4764703b8520c2361de3eef64c975b846ac41a5be854
PDF
Publication page339509c82babd8e30c0656809577122e4f7c55a8eb9ceb933b662b4cba49eab1
Manifeste767cfbe1c930f8579425aff065f6e86b91f1f25ab2c2e0cd7228a44931083c3

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
Signaturev19WTXY/gYl2DOUBlUQlX2eMBAfwRiPybFlQ3UPimoTG/BHQJSgDL1zK/V5Pj5CaYXMDyXIUVKcrzcO8gkA2Cw==
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

2026-09-17T10:01:30.799190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081375
observed 339509c82babd8e30c0656809577122e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.782337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081375/manifest.json
observed e767cfbe1c930f8579425aff065f6e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.763935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081375/publication.md
observed eef3493dab0b7b587b0f4764703b8520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.745394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081375/publication.txt
observed b7a3ef19951ef031373739ea5e836579...
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.