OpenTechnical

OT-2026-000058307

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000058307) never changes.

Identity and time

Publication numberOT-2026-000058307 · never reused
Internal UUID01a0ae88-f398-701b-a41d-e4ba0c0c6abe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058307
StatusPUBLIC

Content hashes

Canonical text3d28732b622b63c005f3ef849a4eea649478a170e59904f8b484d2f2c69ab776
Markdownc4f34f0e103ef988119b0f2481a43572ce72f15389ae0cd24056758f4e602ef1
PDF
Publication page0c29b75ab7a1d32d52a35290e3206ffa91bc45503d79e1598eed98729f083a70
Manifestbeeb96e0adf7673312e6e899a94f9df8c5c30175d5fe2050053335d01e8f23ef

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
SignatureyP6MC3F9iooqdXgXThTIkcaDL23JSkqclrzO5lNdnnUt0jPElNZHWCVXbWhznCelah1m5Mnaaez+yWT1Luh9Aw==
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

2026-09-17T10:46:42.497216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058307
observed 0c29b75ab7a1d32d52a35290e3206ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.479917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058307/manifest.json
observed beeb96e0adf7673312e6e899a94f9df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.460031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058307/publication.md
observed c4f34f0e103ef988119b0f2481a43572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:42.441524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058307/publication.txt
observed 3d28732b622b63c005f3ef849a4eea64...
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.