OpenTechnical

OT-2026-000086169

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000086169) never changes.

Identity and time

Publication numberOT-2026-000086169 · never reused
Internal UUID01a0ae99-e82c-7877-abbf-8c17858cb53d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086169
StatusPUBLIC

Content hashes

Canonical textbca39cffa4443da829a42d29541de2180912df940ed2680a72d5c56775e5a778
Markdown1388352eabad0c0622e699d9911670b5530846bfb7f561c98c77810a7c290096
PDF
Publication pagef8384ded65dd64a2cc6c79ecb52318173532f977a56b6dd23fc872466d8dac7c
Manifeste6a9025aa579bb0112300e749b7b69f7acf0f1329812bb916969c5b63841c206

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
SignaturehEjogPM+lP/Q1BANF2LysYWKTSALvGX8PfiKtWiqMMSJOSoe+4C6m7K1BTnc6mvEZlxAmGBBHV5VPYxno7AXCg==
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

2026-09-17T09:53:49.828977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086169
observed f8384ded65dd64a2cc6c79ecb5231817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.811000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086169/manifest.json
observed e6a9025aa579bb0112300e749b7b69f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.771096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086169/publication.md
observed 1388352eabad0c0622e699d9911670b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.728479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086169/publication.txt
observed bca39cffa4443da829a42d29541de218...
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.