OpenTechnical

OT-2026-000005256

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, ejector fed, pressure verified, silicone cups

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-2026-000005256) never changes.

Identity and time

Publication numberOT-2026-000005256 · never reused
Internal UUID01a0a932-fae5-7732-b029-bf57b4c30daf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:25.671654Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005256
StatusPUBLIC

Content hashes

Canonical textdac27823dcfe22433cac396025c2b920f8b787e34f884877e0eaad66620199c3
Markdown24f79d163869f49acbcf267d89ed48073dfe2d6bfcb4fe5a66a525b0c41b9cec
PDF
Publication page81aaefa4e936501d98627624aa0d2d26f0d4c4ea19e0bf326d71d3ea1f4c466c
Manifest5f77f71020fa28c166c149ed0858e69d77f6ce93e963fa13fafbfd1ff8cd58ca

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
SignaturehcssUFsJOSbWVv4i7sIRDuYMKIVZwup/gql5vHbee7u8CBs5KGTa5JfRpXmSgiIRI1RyQPM6s/u9M2WCG+eZBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:29.974900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005256
observed 81aaefa4e936501d98627624aa0d2d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.962490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005256/manifest.json
observed 5f77f71020fa28c166c149ed0858e69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.950299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005256/publication.md
observed 24f79d163869f49acbcf267d89ed4807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.937575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005256/publication.txt
observed dac27823dcfe22433cac396025c2b920...
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.