OpenTechnical

OT-2026-000079631

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, sustained 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-2026-000079631) never changes.

Identity and time

Publication numberOT-2026-000079631 · never reused
Internal UUID01a0ae96-0b92-7763-9fd1-aba1987e9451 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079631
StatusPUBLIC

Content hashes

Canonical text9164e50a07f69e0a8191998a054f7653b17fe97a10ea72b68bbc775839480fca
Markdownd869ee0197eea1a46d5e7132402d6c959b8ed7199818bcfce62166e90062cac5
PDF
Publication pagef986ceb2858c87c6c53ad74cdf22319917e94c8ddad161a8f0c2fa6fe3645563
Manifest4b9db7f0d602cad402b0a219245d2fbbdf55a39955c6ece594758f9a0ceba64d

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
SignatureGFuhXikqWtOYmr1pdhvjr/0vXDoC+Z9IA55x2z+B0fRy6aIBys3HggnIoMBwWbwpzsJFpqDR0WGUjUIMp8i/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:17.900372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079631
observed f986ceb2858c87c6c53ad74cdf223199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.882171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079631/manifest.json
observed 4b9db7f0d602cad402b0a219245d2fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.862437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079631/publication.md
observed d869ee0197eea1a46d5e7132402d6c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.844343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079631/publication.txt
observed 9164e50a07f69e0a8191998a054f7653...
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.