OpenTechnical

OT-2026-000069611

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069611) never changes.

Identity and time

Publication numberOT-2026-000069611 · never reused
Internal UUID01a0ae90-b52c-79cc-9038-db69ab75903b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069611
StatusPUBLIC

Content hashes

Canonical texta16aefa6f3c6ba8d86145b332e9d25f26c24b00712378a6a5015968c7a319250
Markdownbae87761fb6df053890dd078b4d3058ccbf203c0b1fc740bf5b831681992b251
PDF
Publication page21480842d51fc0ca37ef2c3da48db60ebf2d10d3970c47ff007d4901a13379ee
Manifest8070b8f70daf970601d180d1b52070942973c93d4ef2399c28a47797366af291

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
Signature/6KW0WdOjW37MKHwZqa9EMlPxEEh2qWoXjBVVNgVcnv/6OPcmf+JpPKKvEAO+VsVQmnmsA9vw2nlrWBO7UKFCQ==
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

2026-09-17T10:28:16.377327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069611
observed 21480842d51fc0ca37ef2c3da48db60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.361840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069611/manifest.json
observed 8070b8f70daf970601d180d1b5207094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.329761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069611/publication.md
observed bae87761fb6df053890dd078b4d3058c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.298757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069611/publication.txt
observed a16aefa6f3c6ba8d86145b332e9d25f2...
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.