OpenTechnical

OT-2026-000061646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000061646) never changes.

Identity and time

Publication numberOT-2026-000061646 · never reused
Internal UUID01a0ae8b-7b45-766b-bc22-5af946111883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061646
StatusPUBLIC

Content hashes

Canonical texta2428aa74ee6e2a84286516c9ad0715f22114bd795d6a7a097c9119b67829ba7
Markdownb4ce3958b81862f6b2bd3641531233576c8b210bd0ae95daf30b00ec25b2a3b6
PDF
Publication page9d0b7e8d05759412c159a94ee637f0e3c158c8ffdb37f191811689e155a2a8b5
Manifest2683adcb8b00a5b78fad3afd764c3c2a43617f8fc66dc981e1d3fe3e587a3d66

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
SignatureSBIK3OVobz/BjFrpB0oUtCRvrNcL4e3NbWTlybAoNxF+KAlTugFYq3YWBpz0eDTJfDDZXBpx2fMkhgcUtsrECg==
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

2026-09-17T10:41:35.346864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061646
observed 9d0b7e8d05759412c159a94ee637f0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.328042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061646/manifest.json
observed 2683adcb8b00a5b78fad3afd764c3c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.308152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061646/publication.md
observed b4ce3958b81862f6b2bd364153123357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.280709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061646/publication.txt
observed a2428aa74ee6e2a84286516c9ad0715f...
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.