OpenTechnical

OT-2026-000042602

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off after 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-2026-000042602) never changes.

Identity and time

Publication numberOT-2026-000042602 · never reused
Internal UUID01a0ae7a-c0ce-7683-adb9-fc39f05c12c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042602
StatusPUBLIC

Content hashes

Canonical textf0b1342daba28d689e970a367f36e38087d41df8aec951a89f369300f77a03df
Markdownbede6a46fb2260bebafc2f01cb02d18abb6136af3416710585fcf6769d09eebf
PDF
Publication page48b04f2992b98c4752d0492f2999b8071f0143403395bdab2d5395b081c30081
Manifest67f54df86e51772a257ded9dbf37aa9cfebb558e5a5515b833ad4fb75899747f

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
SignatureHcT52At8lpxZ7jE8h7g/RdW9afIJWsv5JRyNSV1J4sIzKkRbM/yV96TftiBBl9+APIHB9g5ObdSYeCzUdpJfDA==
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

2026-09-17T11:14:19.647282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042602
observed 48b04f2992b98c4752d0492f2999b807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.628030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042602/manifest.json
observed 67f54df86e51772a257ded9dbf37aa9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.607738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042602/publication.md
observed bede6a46fb2260bebafc2f01cb02d18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.588612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042602/publication.txt
observed f0b1342daba28d689e970a367f36e380...
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.