OpenTechnical

OT-2026-000058716

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000058716) never changes.

Identity and time

Publication numberOT-2026-000058716 · never reused
Internal UUID01a0ae88-f39e-7575-b0e5-7552b9ea8209 · 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-2026-000058716
StatusPUBLIC

Content hashes

Canonical text3286be63e381a390fb8c742ac77b8136c24514685d9f2762d5baa498147e64bc
Markdownb7c124c5b6cf9b1a7cdd4d6c224030dc3563b83edc15123365f3b10dd29dba6b
PDF
Publication page473553fdddaaa335891487bded565d78b58493aceae2cd24011133aeb24f2bd0
Manifest63c37a0803aac5a73e0f164fe5d70e66f32d42e737e1b4dce6f2480b2457c227

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
SignatureqyYLDUfFyljtHK/MszdkQ2Q1YhTwajuwe2xl5J49jcYuZ0qlv9FosRsjudr4fGgZqNnGoV8S+oUhjEX4aGBnAQ==
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

2026-09-17T10:47:14.760241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058716
observed 473553fdddaaa335891487bded565d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.740655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058716/manifest.json
observed 63c37a0803aac5a73e0f164fe5d70e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.720586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058716/publication.md
observed b7c124c5b6cf9b1a7cdd4d6c224030dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.701230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058716/publication.txt
observed 3286be63e381a390fb8c742ac77b8136...
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.