OpenTechnical

OT-2026-000044175

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000044175) never changes.

Identity and time

Publication numberOT-2026-000044175 · never reused
Internal UUID01a0ae7b-d67b-799e-8dd8-9708b0364436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044175
StatusPUBLIC

Content hashes

Canonical textf4504b2b74fd611eec21b971b4dc29f24d607dca6e682ccc5e3b8c13636dab87
Markdown303da111685d444e8abb0b8a22c5a596ac8099e6dcb4aa8269311e68bbea516c
PDF
Publication paged290f8846477fd15f4c80cb9f5162189385424f4645d36ae20db88a0c132b88b
Manifest76dcaf95657e841c4e1a823fb258329b17301acd27c18d8369c0055db756f4c0

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
SignaturezvVEGgmR0pvsKaXuG0fjr0DmG+Vo5PGzAplAESV8s3eduDSnqrQ2rvm0mZ1QNlYycoQfH5Bmz7qtcIWPZQWaCA==
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

2026-09-17T11:12:36.546411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044175
observed d290f8846477fd15f4c80cb9f5162189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.527516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044175/manifest.json
observed 76dcaf95657e841c4e1a823fb258329b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.509030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044175/publication.md
observed 303da111685d444e8abb0b8a22c5a596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.489601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044175/publication.txt
observed f4504b2b74fd611eec21b971b4dc29f2...
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.