OpenTechnical

OT-2026-000064492

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line 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-2026-000064492) never changes.

Identity and time

Publication numberOT-2026-000064492 · never reused
Internal UUID01a0ae8d-a461-7c4f-8439-1c2ac6f7c787 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064492
StatusPUBLIC

Content hashes

Canonical texta74a86f4a09a5f51f75226141d0963d15171f5a70c8068b03221fd225d3f6ad6
Markdownf15350fac5f8af2e6f8607392300927b6ea1a565435f2dd37d2633f52ef3dbdf
PDF
Publication pagec5b2e8121e0368f72e1b1f677ffafa112c2062e722216a85a1dfe5128472799e
Manifestc39b331f3210fec492dee55d4f7747bbf50a37016e8a60a5de5639cf36db7066

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
SignaturekFjo7QNKYSH2bUVYVwNX2FEHTquGWcZQyV45hTGJvv5mJycmeT8larxtJxLtR6UXQU2ty04oec0hsNKIi3lPDQ==
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

2026-09-17T10:36:41.780106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064492
observed c5b2e8121e0368f72e1b1f677ffafa11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.761532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064492/manifest.json
observed c39b331f3210fec492dee55d4f7747bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.742365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064492/publication.md
observed f15350fac5f8af2e6f8607392300927b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.723752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064492/publication.txt
observed a74a86f4a09a5f51f75226141d0963d1...
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.