OpenTechnical

OT-2026-000067699

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000067699) never changes.

Identity and time

Publication numberOT-2026-000067699 · never reused
Internal UUID01a0ae8f-6bdb-7830-b241-e6e852387704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067699
StatusPUBLIC

Content hashes

Canonical text9b870a21521515de906b7b7a9fa7aefb9e864164bd81617f68c4fa2fab4cccc0
Markdown11d0facdee38d1ab8e53ce1be1b899704fd39803f853c91851677c089bde1951
PDF
Publication page28f11b6077ef6665edf6d8ef25a34d7e47c4097cf57964483d61cbf33c26a13b
Manifest4942914c19fb0ad07b571c4a7a1651190da1f17685d9264767f553afbaa23624

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
SignaturezLWry0OLfivK9eX/UWNl4B8qMbshunUqVBQ16YGXIPvhdIqumWJsxhvDxMn7Ha7XcNlOihj+3p94082t+LBDCQ==
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

2026-09-17T10:32:02.557834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067699
observed 28f11b6077ef6665edf6d8ef25a34d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.538831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067699/manifest.json
observed 4942914c19fb0ad07b571c4a7a165119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.519130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067699/publication.md
observed 11d0facdee38d1ab8e53ce1be1b89970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:02.502069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067699/publication.txt
observed 9b870a21521515de906b7b7a9fa7aefb...
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.