OpenTechnical

OT-2026-000073105

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000073105) never changes.

Identity and time

Publication numberOT-2026-000073105 · never reused
Internal UUID01a0ae92-c816-7e9c-a446-668a67d89754 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073105
StatusPUBLIC

Content hashes

Canonical textdd9f5744ed5d6ff2c4e98d1be3f45f4c668906d1aac46529644c8b5a14ee63e3
Markdownddb404018fb08c1536fdf81c440940cc56be61a661366691d6b810e7f156d3a2
PDF
Publication pageba4b1bd3cb015d9226db4191287d539a5f27e5518640e452395fec21c2dd9613
Manifest28f7c16d3c7fcd89c1fe330806bb2d59f6886330e8c0c8c7f58d763704e2b172

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
SignaturemBxITE7WEch2G2oKyDNhSiOSBGrmfGj6bepGNamRzx71fhTaUSUVSGlWkJp2Yt3LfQfJOEqi+ywaa3NslMteDw==
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

2026-09-17T10:22:03.998656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073105
observed ba4b1bd3cb015d9226db4191287d539a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.981013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073105/manifest.json
observed 28f7c16d3c7fcd89c1fe330806bb2d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.964441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073105/publication.md
observed ddb404018fb08c1536fdf81c440940cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.946862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073105/publication.txt
observed dd9f5744ed5d6ff2c4e98d1be3f45f4c...
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.