OpenTechnical

OT-2026-000007436

Publication integrity record

Vacuum cup gripper, two zone face, plant vacuum fed, vented before set down, silicone cups

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-2026-000007436) never changes.

Identity and time

Publication numberOT-2026-000007436 · never reused
Internal UUID01a0a97e-ba82-7309-958e-e25ab5bfc5e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:14:09.925982Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007436
StatusPUBLIC

Content hashes

Canonical text53392b36dc0a3759e0cb2ad0080a921f7724d649fd274845e7346ec8e1d14d4e
Markdownd42b0bb6bf466e19e148537d04152325066b67ed62802efe8a107901077794bf
PDF
Publication page11c3286d7131b8004d31bcf8253c5fc6ad741d8cbf54f2e748df9784ec5f9dab
Manifestd412ce4e050fe9785929e2b2de48c8cf8cdd8c248e3cb9094f529a31997133c6

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
Signature79+pWaAYeVJltzvuchcputVv8Q5RAiEUotmiLpIrmDGCJM2vhrsI+6KU/gmDYoO/ckZzTBMLwotjVl+C34TLDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:05.474627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007436
observed 11c3286d7131b8004d31bcf8253c5fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.461751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007436/manifest.json
observed d412ce4e050fe9785929e2b2de48c8cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.448432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007436/publication.md
observed d42b0bb6bf466e19e148537d04152325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:05.434172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007436/publication.txt
observed 53392b36dc0a3759e0cb2ad0080a921f...
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.