OpenTechnical

OT-2026-000028965

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000028965) never changes.

Identity and time

Publication numberOT-2026-000028965 · never reused
Internal UUID01a0ae73-2a9e-7f49-afc7-2c00ef4dce7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028965
StatusPUBLIC

Content hashes

Canonical text9643e2232153aa0d8dfce9fee2266ad2c0b0acc4dd59678fd5ce8adc720d91f5
Markdownb3673c6ecd803f7467161b545d551b06d849e43c2c76785335589a4b6770b731
PDF
Publication pagee9240d5bb1470ac7c51ed9eb81309ad29a7d7741a73769f1d9f0e6c4b1a8ab38
Manifest2ec3e1a0ae69d90628ed8c55451fb37a0df175dd182cd8cc229522766de87062

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
Signature38f8zdKb6/OAJSPKkiU6IhcI6eJHQoRiAhQvSqzYaPq9EIw+nIwnQ7JmekaZcdN3Pr4PdGoZhjkrcqUshyEPBQ==
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

2026-09-17T08:20:28.031590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028965
observed e9240d5bb1470ac7c51ed9eb81309ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:28.013965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028965/manifest.json
observed 2ec3e1a0ae69d90628ed8c55451fb37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:27.995069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028965/publication.md
observed b3673c6ecd803f7467161b545d551b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:27.977368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028965/publication.txt
observed 9643e2232153aa0d8dfce9fee2266ad2...
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.