OpenTechnical

OT-2026-000084572

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained 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-2026-000084572) never changes.

Identity and time

Publication numberOT-2026-000084572 · never reused
Internal UUID01a0ae98-e25b-7117-a315-7b1d42d1a812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084572
StatusPUBLIC

Content hashes

Canonical textc12358eb26a88d003f4496cfb06ee4248303c5492077867f968e45c64d5c2a0d
Markdown7a53368fc139eff8c6e204fa77596bea42334d4e0113a5a16dbd0ef2def5cd42
PDF
Publication page080dd4fd7980fdc569ebe40728c07f12c02a58a4f12ae01720b4dba525b83e28
Manifest12e308979bd241e88fa7393dfb78c15f1294bd9447d19f0a490ddad3ac6de3b3

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
SignatureELf4tiIs9DMPm1qG8KJUz6PEgKmCbyvtVlQF38n1RSafiDq+yebJwUcK13GzlAXUJP3beO1pbYDHvfit5z6uCg==
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

2026-09-17T09:55:28.140596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084572
observed 080dd4fd7980fdc569ebe40728c07f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.124986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084572/manifest.json
observed 12e308979bd241e88fa7393dfb78c15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.107407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084572/publication.md
observed 7a53368fc139eff8c6e204fa77596bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.090617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084572/publication.txt
observed c12358eb26a88d003f4496cfb06ee424...
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.