OpenTechnical

OT-2026-000006613

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000006613) never changes.

Identity and time

Publication numberOT-2026-000006613 · never reused
Internal UUID01a0a961-5dfc-71df-afaa-cbb1938d12bb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:05.695492Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006613
StatusPUBLIC

Content hashes

Canonical text94157f15d5574ecfd3e85889617863bf70d733c65b9cc3dcc3345abbe3d66305
Markdown447000fcb381f29f72e3609c7cd35674289b4f2f48654c38e3fd3a0a85c3b706
PDF
Publication page4bdf5dd80a862cce7725d4b73a28e0e39be71d0fdb70dbefff80512c25eb5ad6
Manifest323bf7bfc714ce7db18c4e0e39c794d7986a5ccdbb80b4d3eeff16e1d3b6f1ee

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
SignatureQINhichN9FIK0KVZsonZPbOrJtMyZ3uGxN73P1kP06YrPDsJEtbVB+LmhxW2rqI/pKwwbS3nzMZc/gHyWkdYCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T16:41:54.372593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006613
observed 4bdf5dd80a862cce7725d4b73a28e0e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:54.167506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006613/manifest.json
observed 323bf7bfc714ce7db18c4e0e39c794d7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:54.074371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006613/publication.md
observed 447000fcb381f29f72e3609c7cd35674...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:53.901224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006613/publication.txt
observed 94157f15d5574ecfd3e85889617863bf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.213104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006613
observed 4bdf5dd80a862cce7725d4b73a28e0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.201950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006613/manifest.json
observed 323bf7bfc714ce7db18c4e0e39c794d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.189992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006613/publication.md
observed 447000fcb381f29f72e3609c7cd35674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.178311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006613/publication.txt
observed 94157f15d5574ecfd3e85889617863bf...
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.