OpenTechnical

OT-2026-000058160

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000058160) never changes.

Identity and time

Publication numberOT-2026-000058160 · never reused
Internal UUID01a0ae88-6edb-7fc3-8fa1-856f54833e4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058160
StatusPUBLIC

Content hashes

Canonical text46645f8d5080c27338a263dbd1c90c43f039d7ac3239174ddbdabdcdca588bb1
Markdownf79bdc5f899141e467c20c3a1c9e49eead022677b90e4d62cb231fbea7d34796
PDF
Publication page707eea3be138a94b46b1bc3cab5e43ac8ceb5c301abd72e10c61303378bccbcc
Manifeste14a50084378e870f6303cbd6f3d1372110778045a6475a35a82d316d281a239

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
Signature3/r/t2FfHmhosZ79w5lvz4295MTDu+QCL32JO35XflEehuC2pgLjwgPL2YMCqPQfn+c/079TeGo/zY61jByyCw==
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...

Independent retrieval

2026-09-17T10:47:51.400604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058160
observed 707eea3be138a94b46b1bc3cab5e43ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.383246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058160/manifest.json
observed e14a50084378e870f6303cbd6f3d1372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.363849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058160/publication.md
observed f79bdc5f899141e467c20c3a1c9e49ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.343416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058160/publication.txt
observed 46645f8d5080c27338a263dbd1c90c43...
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.