OpenTechnical

OT-2026-000087159

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000087159) never changes.

Identity and time

Publication numberOT-2026-000087159 · never reused
Internal UUID01a0ae9a-9f2e-7091-90e4-9dd930e947b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087159
StatusPUBLIC

Content hashes

Canonical text1a249ddfac1ba3e5ed601cce4106ff7f2877ed47ecc5596916c05f6472e2bc9b
Markdowna8e6ba7f81ec63e3910e1db52463e23a4fd43ee13fe59a8c523452ce83f467eb
PDF
Publication pageaa6ddf04da3bab4e38fb0033aaca9ccb4ad7ba10ac90acf8e37b0e8aabbb94e1
Manifestab80d5799be5c30b0d86632b61494b973851286dba18ec731e461d94072e60bb

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
SignatureQqtcTvE/5K+h0ggCI6wAaXC0YGcKgTAiFB7TQWC+NgIuTTx3M4/Dt7SROfzY4mK0sMWn/xM0S1eldIREUphoBw==
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

2026-09-17T09:51:25.552975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087159
observed aa6ddf04da3bab4e38fb0033aaca9ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.536728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087159/manifest.json
observed ab80d5799be5c30b0d86632b61494b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.520979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087159/publication.md
observed a8e6ba7f81ec63e3910e1db52463e23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.504061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087159/publication.txt
observed 1a249ddfac1ba3e5ed601cce4106ff7f...
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.