OpenTechnical

OT-2026-000043331

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000043331) never changes.

Identity and time

Publication numberOT-2026-000043331 · never reused
Internal UUID01a0ae7b-327d-71cb-9274-fe260ec84ef6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043331
StatusPUBLIC

Content hashes

Canonical textd64941581fc2bb2be0aafed1d17cf3a3e2e467010da453a24d680ceeaaa90796
Markdowndf5cf820e20e29c9f68a230808472c28fb0d83d08736f19c3811c3e730ca3208
PDF
Publication page7141bbce02fe213df66d1ed07ae55654a66f225be0d1740e05e9915c713520b4
Manifeste96de3ffcf0b2fe18a9014ef2022f554c690add7242485184e7629686f1f2963

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
SignatureioV9Ry/8KVjLnNGgFwiUI7Mnm2gt9xpyT3a0pcxOVuVjh6E6xe7LXA9hSv/2dt5tkGqs0bfKr+Lc+m2ERIQYAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:50.447826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043331
observed 7141bbce02fe213df66d1ed07ae55654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.430926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043331/manifest.json
observed e96de3ffcf0b2fe18a9014ef2022f554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.413250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043331/publication.md
observed df5cf820e20e29c9f68a230808472c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:50.395927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043331/publication.txt
observed d64941581fc2bb2be0aafed1d17cf3a3...
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.