OpenTechnical

OT-2026-000062570

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000062570) never changes.

Identity and time

Publication numberOT-2026-000062570 · never reused
Internal UUID01a0ae8c-0ac1-7ca2-973b-6c3f7fbf2ae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062570
StatusPUBLIC

Content hashes

Canonical text2d73c43c14515d69fcb5de842085d2b5940fc46dce5e9e75bf21943bafa03013
Markdownf44ddc15f2a680152a8a0ce30630def149f4dab24d3f4bcf7ebe5f07ec9084e2
PDF
Publication page825d25bacdc1de02b5a3c78dbee32702f58896b333f63e33b22d11d2555cfd97
Manifest217cfa43f283b34b52111d4e2e405821a3eb06a7f8adeb1314cc106941f38cf7

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
SignatureoVax0y/aCHxzAKnpvxve2btTZg6N58qbBA3pp542ILwgL5hLN1was+qdvXPb6YVOVsmBr4T5ggpsICtO/Ry2Cg==
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

2026-09-17T10:40:03.211805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062570
observed 825d25bacdc1de02b5a3c78dbee32702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.194277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062570/manifest.json
observed 217cfa43f283b34b52111d4e2e405821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.174329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062570/publication.md
observed f44ddc15f2a680152a8a0ce30630def1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.151376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062570/publication.txt
observed 2d73c43c14515d69fcb5de842085d2b5...
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.