OpenTechnical

OT-2026-000063112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000063112) never changes.

Identity and time

Publication numberOT-2026-000063112 · never reused
Internal UUID01a0ae8c-94aa-7e06-af66-eb74add79f32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063112
StatusPUBLIC

Content hashes

Canonical textfeec8373abd0287d1c3b2cecc8c0c6c063a95f0b8d2a98e23e3c011e3b6073d3
Markdownb5754ccd05beff51f9b6700c395e9d55b76ebd74045b60378d846bf672a4eae5
PDF
Publication page5925119de16feec51324c543e107fb0e0a4b94c8d7e447c5681ec4e90c4b2b3a
Manifesteff95036a0d7e2baed0bc10c7393fb084ee796a72d8ae07613e890c180e9171d

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
SignatureQtk9ANVwpC4vDb6oesYo41RyH0K8qX7gBbWYyxKLj45Dd93cDbEAV1jMhhvcoCbYnxdYWntDO5xYJpItLX0VCg==
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

2026-09-17T10:38:53.346153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063112
observed 5925119de16feec51324c543e107fb0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.329937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063112/manifest.json
observed eff95036a0d7e2baed0bc10c7393fb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.311933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063112/publication.md
observed b5754ccd05beff51f9b6700c395e9d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.293227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063112/publication.txt
observed feec8373abd0287d1c3b2cecc8c0c6c0...
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.