OpenTechnical

OT-2026-000050548

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000050548) never changes.

Identity and time

Publication numberOT-2026-000050548 · never reused
Internal UUID01a0ae82-5c49-7674-840c-f1ea9b62d03d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050548
StatusPUBLIC

Content hashes

Canonical text3934d7d019bb8e6f0defb393a86e850500d1f94dd599f91ac2c1afd7a36b6119
Markdown2bf123d3699ba282e4798beed3195e0bb03a730a312393271adbd54b03a03cd8
PDF
Publication page5744a6a33579a58f290bfe00faffb746c5600516f3affac694be746cb7f9d705
Manifestc07e2f709383311b9cdd18789f37c24dee074a93062fe228f41d9b7a32730bdb

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
SignatureIJi6zbLXYTYVLpueF1Dab4IXgaG9LunVPYHBURvNueh8VosFtOHMt988lZAuaFlEv1/n49pi/9v5+7JVh8XMAg==
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

2026-09-17T11:01:38.742257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050548
observed 5744a6a33579a58f290bfe00faffb746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.726964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050548/manifest.json
observed c07e2f709383311b9cdd18789f37c24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.709242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050548/publication.md
observed 2bf123d3699ba282e4798beed3195e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.691667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050548/publication.txt
observed 3934d7d019bb8e6f0defb393a86e8505...
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.