OpenTechnical

OT-2026-000083035

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, sustained 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-2026-000083035) never changes.

Identity and time

Publication numberOT-2026-000083035 · never reused
Internal UUID01a0ae97-c961-70a1-92e9-f50da16a03f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083035
StatusPUBLIC

Content hashes

Canonical textf61f912b468baea5e710fe9e24bf3a41c63898ca11c614552d648e37f8589946
Markdowne38ea4a5b3002533d9510c2be854a400307ce870edfa858b2a790a830475e6ee
PDF
Publication page0f7d2182cebd4b0593d7e3e836cb1fada3c2a4e2a4ae2cddf5849057128b5302
Manifest58ea21662d5c7b831df1865d6f7f03ffb6d4d366547d18c64b6f31234edf6917

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
SignatureEHRAH/UboWBHixTAgAqokWYQ9zYQ62IJh/6GSLc96YQAuBZ4VV/E392TmXeUWQMc5LRdV6hx/WL+qPI9CQHXCg==
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

2026-09-17T09:00:22.120325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083035
observed 0f7d2182cebd4b0593d7e3e836cb1fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:22.102970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083035/manifest.json
observed 58ea21662d5c7b831df1865d6f7f03ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:22.084613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083035/publication.md
observed e38ea4a5b3002533d9510c2be854a400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:22.065700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083035/publication.txt
observed f61f912b468baea5e710fe9e24bf3a41...
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.