OpenTechnical

OT-2026-000085231

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000085231) never changes.

Identity and time

Publication numberOT-2026-000085231 · never reused
Internal UUID01a0ae99-43bb-7843-aa1b-4cef23caa0cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085231
StatusPUBLIC

Content hashes

Canonical textb08661cb7c6d07deea0c6c8f6a26dfca6373dcd32c779679d76d195bc72568a7
Markdown5b37525399454cdd63d42811e0e7a857bd5e2a38cb7a1755a48a26a8bf308962
PDF
Publication page9bbaa8538d4aebda74ef38c4a36a949eaa6adf8ad964b15b51bc07d00134fa34
Manifest7fd3b686d1b44dc6aabbe328ffb52003ee15ce1d2c191de28838321cdf582dfa

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
SignatureVpJKx4P6RHZYChkWPFxEBwTt4E2h1B7P6IfdUicBdAXkea5X+WS1eMbrqpii1WXMuchLsxu4SWe/gAKCJg3xDQ==
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

2026-09-17T09:55:19.695544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085231
observed 9bbaa8538d4aebda74ef38c4a36a949e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.679059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085231/manifest.json
observed 7fd3b686d1b44dc6aabbe328ffb52003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.661767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085231/publication.md
observed 5b37525399454cdd63d42811e0e7a857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.644976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085231/publication.txt
observed b08661cb7c6d07deea0c6c8f6a26dfca...
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.