OpenTechnical

OT-2026-000033574

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, pulsed 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-2026-000033574) never changes.

Identity and time

Publication numberOT-2026-000033574 · never reused
Internal UUID01a0ae75-a38f-7ea4-a3dd-197e9bd239de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033574
StatusPUBLIC

Content hashes

Canonical textfc5058d29c2fbb6642166aa300151ea8093e8f434ba003f05934ba2ecc8f5a9f
Markdowna3fe6f5f7f51f10d42b324625fed08fc98ca34246f46851f070f24c74a283dd9
PDF
Publication page7d670904c452b2838f5037977fe03e1fcfa7f41643f5ff3d4f3b66e5f899fcf9
Manifesteeaa1b141c4b43fd1e59147e443f961419cf65f05a76001fad99e80ddc9f48b1

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
Signatureqp1o46AiSTzy6anaPC28RiVl8nrTtM4UbLrI3wNZULLqa++9ma7X5f2P+mNX2KdVRRcK/YJx83msqEWQCT2pDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:26.723523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033574
observed 7d670904c452b2838f5037977fe03e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.706953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033574/manifest.json
observed eeaa1b141c4b43fd1e59147e443f9614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.689770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033574/publication.md
observed a3fe6f5f7f51f10d42b324625fed08fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:26.673021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033574/publication.txt
observed fc5058d29c2fbb6642166aa300151ea8...
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.