OpenTechnical

OT-2026-000084623

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000084623) never changes.

Identity and time

Publication numberOT-2026-000084623 · never reused
Internal UUID01a0ae98-e25b-70b3-88a5-5c615e1dd59b · 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-2026-000084623
StatusPUBLIC

Content hashes

Canonical textdd171716bcad9f475d1ac83753513764c42d4080e6808a62c41082895c656bdf
Markdownffe42888bb190f90e8d8213588a1199f1ff2bf91c3feecd5831c5fc79b4537ec
PDF
Publication pageebaf9bbf1a90fb3c4afea15e1e139d8306d43c14d98309ebe9d18f7041284f92
Manifestf8d7151af434ccc4b52b79864e85da1e229a490dba6f9c73f4ac267a97b3e6b4

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
SignaturewXF5KH16tJvrf2rqu0UhLXhLcVj8JSyc0ov1Pvww/mIQQ8XH18gUnljfSfgQT+hxLk/+0/L04KMyJz0TouiSAw==
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

2026-09-17T09:55:32.202836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084623
observed ebaf9bbf1a90fb3c4afea15e1e139d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.182778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084623/manifest.json
observed f8d7151af434ccc4b52b79864e85da1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.167346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084623/publication.md
observed ffe42888bb190f90e8d8213588a1199f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.149106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084623/publication.txt
observed dd171716bcad9f475d1ac83753513764...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent