OpenTechnical

OT-2026-000006859

Publication integrity record

Vacuum cup gripper, per zone isolation, ejector fed, pressure verified at each zone, 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-2026-000006859) never changes.

Identity and time

Publication numberOT-2026-000006859 · never reused
Internal UUID01a0a969-e968-7d45-ac71-557aabd56ed9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:25.675601Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006859
StatusPUBLIC

Content hashes

Canonical text514fe220523daf2c7c35033d35c015081658e90772cc698c95eb0df9923f5b2b
Markdownde96df8ba71d7cae0d797747e930047a8f8ccda140d44d43d7237e77dcf59da7
PDF
Publication page3df68d7b0494a08f24bc91fae25a98645acd85dbac7b5bf7de60937d20babf46
Manifest5308e2b6cdf3b75a59f4e80bd1fe4552d86f76ca675abce8794dbd4e0b63fcbf

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
SignaturesnglxJC/uIttdewt1Cxay44sAhJLDc1LY0GQK+iP+ON7cnLspNfwRPJ7XKTvZvRModKc6QZYcSO1jI4kOFPSCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:28.390679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006859
observed 3df68d7b0494a08f24bc91fae25a9864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.377744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006859/manifest.json
observed 5308e2b6cdf3b75a59f4e80bd1fe4552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.242285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006859/publication.md
observed de96df8ba71d7cae0d797747e930047a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:28.228148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006859/publication.txt
observed 514fe220523daf2c7c35033d35c01508...
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.