OpenTechnical

OT-2026-000006599

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, contact triggered, sustained 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-2026-000006599) never changes.

Identity and time

Publication numberOT-2026-000006599 · never reused
Internal UUID01a0a960-e2ab-788f-82ac-1b9f0ddd0355 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:34.126201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006599
StatusPUBLIC

Content hashes

Canonical textaa010f001514a2d27b4de6f8d04e41a04481d4f45a8f174f79e7bc35d0087e3a
Markdownac3c979f06144661e64fc905322f0552f8795db27d3a3ba1f0579b7a2e07f823
PDF
Publication pagee24a205fbea0cf8483101e4b4d9377ac48231a32958a60a986adcb75ad2406bf
Manifestfa904f4a8c45daa820125fbb9d4a45d07f670f86970046cc82ce4f9ba904699d

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
SignaturehIGI5OAENWttcD+AWNhBRKnJEnSM4F+5f9BmhBOM6vaPeMM92OgBlllrr4UjndytBOjg1ZVF/R9v1U/Nyq3qDw==
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

2026-09-16T16:42:58.574283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006599
observed e24a205fbea0cf8483101e4b4d9377ac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:58.277490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006599/manifest.json
observed fa904f4a8c45daa820125fbb9d4a45d0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:58.023912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006599/publication.md
observed ac3c979f06144661e64fc905322f0552...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:57.654026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006599/publication.txt
observed aa010f001514a2d27b4de6f8d04e41a0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.718302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006599
observed e24a205fbea0cf8483101e4b4d9377ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.705113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006599/manifest.json
observed fa904f4a8c45daa820125fbb9d4a45d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.691166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006599/publication.md
observed ac3c979f06144661e64fc905322f0552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.678408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006599/publication.txt
observed aa010f001514a2d27b4de6f8d04e41a0...
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.