OpenTechnical

OT-2026-000095056

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000095056) never changes.

Identity and time

Publication numberOT-2026-000095056 · never reused
Internal UUID01a0ae9f-2df0-79ae-aee2-978f95a7d223 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095056
StatusPUBLIC

Content hashes

Canonical text3a46fe2c098d47d736ee4e765e12b9e40914b45402b5b2d3a207146d9308780d
Markdowna5783b990c0a0c96aefe6a3ebeaec23bcaac473b830c9d728815fa0b6f763e83
PDF
Publication pagebbcc9c7f84efdc1504d2e77b7ef3e0dda9913f0972557f50df8398f3facbfc47
Manifest6571cb4ddd5e9accf61d5628c53377e9d308fef3ea6827c2556942358794dba9

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
SignatureyM5Rc/9AkuDKat7eLdIBdshCFwHEL8WMDsqkHcZbVgYuacPdKzZDdBrat9x00Jyq8cqDKA7cMD+peh1STvQ1Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:37.394397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095056
observed bbcc9c7f84efdc1504d2e77b7ef3e0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.376817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095056/manifest.json
observed 6571cb4ddd5e9accf61d5628c53377e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.358873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095056/publication.md
observed a5783b990c0a0c96aefe6a3ebeaec23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.340622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095056/publication.txt
observed 3a46fe2c098d47d736ee4e765e12b9e4...
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.