OpenTechnical

OT-2026-000092020

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000092020) never changes.

Identity and time

Publication numberOT-2026-000092020 · never reused
Internal UUID01a0ae9d-43bc-7cf7-bf3e-087307d3660a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092020
StatusPUBLIC

Content hashes

Canonical text38d9c27264d339fc1972387299ac8649f9c041fb068de276a50e41d80562fda1
Markdownf89c57e85887d54c3d5d9b0ae511f698ab4d934fc3d7febdc846721050eaecdc
PDF
Publication pageb7227314411dd7fec650d30ee4a0623dfdd34fb25677f864e2192e4b65ec8bd2
Manifest7c48e9135ebd8599c0d4689878ed55cb7b2822924e373dca730eb7d335f58203

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
SignatureRieQbaZ7JbI4WqHM6kssklSXgKA7oClIZPwbv57eS4/7hGOuyThKlkPlLJKOxCUlzvW+PRmWMKAq+1sUgysmBA==
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

2026-09-17T09:43:06.206829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092020
observed b7227314411dd7fec650d30ee4a0623d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.189709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092020/manifest.json
observed 7c48e9135ebd8599c0d4689878ed55cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.172229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092020/publication.md
observed f89c57e85887d54c3d5d9b0ae511f698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.154078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092020/publication.txt
observed 38d9c27264d339fc1972387299ac8649...
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.