OpenTechnical

OT-2026-000047247

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000047247) never changes.

Identity and time

Publication numberOT-2026-000047247 · never reused
Internal UUID01a0ae7f-3e56-795d-9a81-76b4004ff34f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047247
StatusPUBLIC

Content hashes

Canonical textb13f256e2253ac0054a66ad381fdd16659d1d93cbe540c4e3e52430383065789
Markdown8aad28b785c7dc0cb3e213f7b00da38946532a690c28674c03c2712a4ac64678
PDF
Publication page28b889c43b1beb12f0ac702cb9e36ba58a1654eb47ba8cc7e63e19db10c6400b
Manifest3d108d780bca87eebee65ff6fc5971036dec42411364725c7ac2964053c88ac3

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
Signature6Svd2m4y9QfmMtVG/z/LpNxOzWL9ioCKZKXdLXUYnk428kUHavk0Yyxp730EB/6k+qaFen97FMS7Ndxn0gDlBQ==
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

2026-09-17T11:06:12.361277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047247
observed 28b889c43b1beb12f0ac702cb9e36ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.343850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047247/manifest.json
observed 3d108d780bca87eebee65ff6fc597103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.325465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047247/publication.md
observed 8aad28b785c7dc0cb3e213f7b00da389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.305956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047247/publication.txt
observed b13f256e2253ac0054a66ad381fdd166...
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.