OpenTechnical

OT-2026-000056742

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056742) never changes.

Identity and time

Publication numberOT-2026-000056742 · never reused
Internal UUID01a0ae87-7af6-7f5d-8db1-e5e6de0b9783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056742
StatusPUBLIC

Content hashes

Canonical textcdbd646082c0fb81be99be470acf4cce825373c4fed55c241c1c8008e97c6aad
Markdown5526e02a68f420ac9f649f213438865ef6be59befd846503fa8ecb47f3f62676
PDF
Publication paged140338500e3c2073636e4293479a8f9b77dde70c9348d6a3c3bc73c713c59a2
Manifest2b87904d0fc626c845661e6e1f02f9fc459b7a2fded69789292ba0e6f96c8162

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
SignaturezS9348COQlMmu4ya/1jYA7xWwvhTlrzf3bck+TmhlejEv7iFKdzSAaae393aPD9BdpDmVxge139sd/DEipZpAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:10.898337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056742
observed d140338500e3c2073636e4293479a8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.880499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056742/manifest.json
observed 2b87904d0fc626c845661e6e1f02f9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.862078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056742/publication.md
observed 5526e02a68f420ac9f649f213438865e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.842254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056742/publication.txt
observed cdbd646082c0fb81be99be470acf4cce...
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.