OpenTechnical

OT-2026-000064771

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000064771) never changes.

Identity and time

Publication numberOT-2026-000064771 · never reused
Internal UUID01a0ae8d-deba-7929-abb2-4d621126f6c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064771
StatusPUBLIC

Content hashes

Canonical textaea8d1134686f3903329dd3292fd364acb9b4f1097cfc4ad7b9efb5903e3b1e1
Markdowna1c71ea9f8d3525a578e94e3bdc079c1cdae1dcb03417702f6db13cd8a47596c
PDF
Publication page28f00cfcf2903f787d7fc90fe59d1da0f20fb47e59b288042482c9186f114dca
Manifeste01c48499c72411722f8524f36872103798a9077ab00dbcbaf1262069a264350

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
SignaturepSvYNeiXCN2qgHKo+lR5qZRoKbiJmXMjUNoh0SZWsby7QUQjNKh1I4rJiwEEgMiueR0M2saqUGzNAR2nlJgOCw==
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

2026-09-17T10:35:39.535976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064771
observed 28f00cfcf2903f787d7fc90fe59d1da0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.519168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064771/manifest.json
observed e01c48499c72411722f8524f36872103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.500886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064771/publication.md
observed a1c71ea9f8d3525a578e94e3bdc079c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:39.483569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064771/publication.txt
observed aea8d1134686f3903329dd3292fd364a...
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.