OpenTechnical

OT-2026-000086185

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000086185) never changes.

Identity and time

Publication numberOT-2026-000086185 · never reused
Internal UUID01a0ae99-e82c-7aad-954c-53933afa5dee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086185
StatusPUBLIC

Content hashes

Canonical textaa3a537c53448ac1ad896b0adfb943824a2df65186d6d0084f51534593010b93
Markdownd035779634fa912461fd3d2c526c3d8639dd18b6f3ed93a3be361cdccda8837d
PDF
Publication page5e7c38bc7691068e70af9d8de2203c8ddf7db0ad1b0c427dcad81d0256e29448
Manifest1ddbb721b914058e11ff8a7a0d1c09282692fadda9749b2e814f248471baaab3

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
SignaturelurSmn1yauKEzP5DyRaNrn/Zdpom6L0YYbsvgWvLwxGg1IYADh7argmH+symoQGNSlywYe7FKuykQlY/Yr+QDA==
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

2026-09-17T09:53:51.748022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086185
observed 5e7c38bc7691068e70af9d8de2203c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.732501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086185/manifest.json
observed 1ddbb721b914058e11ff8a7a0d1c0928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.717022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086185/publication.md
observed d035779634fa912461fd3d2c526c3d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.699591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086185/publication.txt
observed aa3a537c53448ac1ad896b0adfb94382...
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.