OpenTechnical

OT-2026-000083051

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000083051) never changes.

Identity and time

Publication numberOT-2026-000083051 · never reused
Internal UUID01a0ae97-c961-70e2-a66b-aec27645c87b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083051
StatusPUBLIC

Content hashes

Canonical text35c95578e9a6246b477fe6cd31498d1dabf0b72f4e85d97b5550b2188263a492
Markdown98683dfb84f701ec1e0716e8e53bc75fef25d1cc8643a9320dac03a53d9f5131
PDF
Publication pagee93a0aae5e46850056903ed7cc068ae7bc85e623a48db7fd219ffc796e8e6d8b
Manifest17bc2c40cd0b99b3aef48c94d1c9dd88d344ba58e969c8cacc46ea28770fd9d8

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
SignatureX9XhWiGUjX0VhrccCyKDZcGwuHGig8bDCXATJBDfs0mZIjCslcktjkUTE+Gv52CcMQGgE0odmgTyHLzUPD1DAg==
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

2026-09-17T09:00:26.162589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083051
observed e93a0aae5e46850056903ed7cc068ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:26.141857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083051/manifest.json
observed 17bc2c40cd0b99b3aef48c94d1c9dd88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:26.120213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083051/publication.md
observed 98683dfb84f701ec1e0716e8e53bc75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:26.102629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083051/publication.txt
observed 35c95578e9a6246b477fe6cd31498d1d...
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.