OpenTechnical

OT-2026-000067864

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067864) never changes.

Identity and time

Publication numberOT-2026-000067864 · never reused
Internal UUID01a0ae8f-c4fc-7d95-8719-86ba9e251cad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067864
StatusPUBLIC

Content hashes

Canonical texte95b6d9ffb85c1a128a9ba258c4edd65de980d23e098a02df865b254f1de7855
Markdownc9252c6441ec9ebbd90bc36ff3e4d142898d2154d65ece868a539e8f09dd3a13
PDF
Publication page2074430c8064aac0f35278d7b33b6b90ba5f5a6fe9441d16a8fea916651c1677
Manifest37e9f406fd0b7a0af57ea6446340414a81105c49763c168c4048cbb4e4a1404f

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
SignatureGnEQLDkyfWuQCosO9srUep3lxFlg80PJdv+j9fZOoUMxrg51HLef4JhpZ72YuzflmB9m67L9kAFaV8/hhhgkAA==
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

2026-09-17T10:30:14.912934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067864
observed 2074430c8064aac0f35278d7b33b6b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.894657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067864/manifest.json
observed 37e9f406fd0b7a0af57ea6446340414a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.874704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067864/publication.md
observed c9252c6441ec9ebbd90bc36ff3e4d142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.854237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067864/publication.txt
observed e95b6d9ffb85c1a128a9ba258c4edd65...
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.