OpenTechnical

OT-2026-000069212

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069212) never changes.

Identity and time

Publication numberOT-2026-000069212 · never reused
Internal UUID01a0ae90-6dcf-702e-8e54-882b2ff90316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069212
StatusPUBLIC

Content hashes

Canonical text5723c7d9bbec043ef674c8b1458a427ab5c39a777c37a94b2fb53b7a125aa1a8
Markdown496c7f284f0655d895eb98d027e88d420a6b8abafadda266ebd13a9a463943d8
PDF
Publication page0ec37b1861bdb40ed89d15a8d224e7bd7e8aac36783433aa58f5ddbd1c1d5d7b
Manifest0fe5735975a8657e5fbfbaf98a02a384f2f88f09a440c1a36bd36486a8fd6f98

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
SignatureFx+OnLzYnThxavhd4BBnx22BFYCH6gF5Caok2KPdcqgMrWHrQYWx3qEDQ8f7azbH19mq6AagVuHYVycyqibuAw==
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

2026-09-17T10:29:04.229789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069212
observed 0ec37b1861bdb40ed89d15a8d224e7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.210225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069212/manifest.json
observed 0fe5735975a8657e5fbfbaf98a02a384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.192285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069212/publication.md
observed 496c7f284f0655d895eb98d027e88d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.174888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069212/publication.txt
observed 5723c7d9bbec043ef674c8b1458a427a...
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.