OpenTechnical

OT-2026-000006579

Publication integrity record

Porous face vacuum gripper, two outlet manifold, plant vacuum fed, vented before set down

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-2026-000006579) never changes.

Identity and time

Publication numberOT-2026-000006579 · never reused
Internal UUID01a0a960-3708-788f-beca-b98c633d3b2f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:50.186692Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006579
StatusPUBLIC

Content hashes

Canonical text54fceb5d43aa4df9876783b4fa3dc8239e951b054914983b38c2e9ca97a71818
Markdown7d987a207e99f6840631469a460200782e64a57b2708a8ac81a6945f8da87c42
PDF
Publication page286f2683ae7aa03ce72b8adf5060f54c80e106605ecafd0fc8453d202ad162e5
Manifest69bc808379abe37fccc339459e553f0ea217df883646435c245f837ccc0d1535

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
Signature9dYslPS5kcHWLv3Em+JMP4fCNpmheDU9yR631redkKsLXSlvI2tQTaHuWZHUrRkWQNCMMn0gs9oq+5EIKkVVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:28.731652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006579
observed 286f2683ae7aa03ce72b8adf5060f54c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.717950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006579/manifest.json
observed 69bc808379abe37fccc339459e553f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.705557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006579/publication.md
observed 7d987a207e99f6840631469a46020078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.692741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006579/publication.txt
observed 54fceb5d43aa4df9876783b4fa3dc823...
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.