OpenTechnical

OT-2026-000043140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000043140) never changes.

Identity and time

Publication numberOT-2026-000043140 · never reused
Internal UUID01a0ae7b-327a-73ea-9b93-676127361b89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043140
StatusPUBLIC

Content hashes

Canonical texte7a05dc07c0d09334158edfb14c745b27462678f97034c9e3fcb88145b807831
Markdownb88488e9a9366bea129540f939eeb3db9de9b3d42e02986e4e01c6d85115f315
PDF
Publication pageb2dbee9b7e1fe7c271a06d7cd15304965bffba3b0ba061ac5984f0d6532cf43e
Manifest9d52805dd63692fabacfa98218625b9d5b07e9e7f20669f5c2a8f64e1a2d78fa

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
SignatureIdpgy2mZNsaX+8I6CZHrE2tuzZGrM50V/fb+pdLdoiLu/GyKOooGXyv8jo7ysWFOIucc2rnRmrA74dBoyoBbDw==
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

2026-09-17T11:13:34.668708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043140
observed b2dbee9b7e1fe7c271a06d7cd1530496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.648393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043140/manifest.json
observed 9d52805dd63692fabacfa98218625b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.627058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043140/publication.md
observed b88488e9a9366bea129540f939eeb3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.605707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043140/publication.txt
observed e7a05dc07c0d09334158edfb14c745b2...
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.