OpenTechnical

OT-2026-000035991

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000035991) never changes.

Identity and time

Publication numberOT-2026-000035991 · never reused
Internal UUID01a0ae77-01cd-7e20-bd76-8897884b6839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035991
StatusPUBLIC

Content hashes

Canonical text392232401c9ff9e1d71b94d5567fbf0eb7cf25dda7e551bca4c611d56de2980d
Markdown58f0d51650e918751be597d0203afaeb168105b6640fc4aa0d18474122fcb969
PDF
Publication pagea4eb7e91ee143fe37fc5096152a207481c2e29d5c41892ced461973ac28155b8
Manifest4943b438dc89d4e25f2ac938eb0eb9167648aed49fb3ccd648cc26436992c7a6

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
SignatureXK5rgcCsVjAzR6apFdTNtMQdMcpTUv7V8knmaecBjaiUYEWw9XeBIN5JL7It7nysYs01WM1Rzah0smUCgPJ4Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:08.986921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035991
observed a4eb7e91ee143fe37fc5096152a20748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.971219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035991/manifest.json
observed 4943b438dc89d4e25f2ac938eb0eb916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.952516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035991/publication.md
observed 58f0d51650e918751be597d0203afaeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.935791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035991/publication.txt
observed 392232401c9ff9e1d71b94d5567fbf0e...
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.