OpenTechnical

OT-2026-000058022

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000058022) never changes.

Identity and time

Publication numberOT-2026-000058022 · never reused
Internal UUID01a0ae88-6ed9-7748-a6ae-9d6ec2c6a0b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058022
StatusPUBLIC

Content hashes

Canonical textb80fd87376b82ecc33293b8d46bac0f14427b700536c0c5dac3e0081377beec4
Markdown57ce17ef925c9c065494afe875521e3677ffc769aa03617d690d70aef77c4a38
PDF
Publication pageeac6ae99d4752360f0c13f9dacc778bb38ec057b9f392cfb24ffa1bca81ddda1
Manifestbeed707b67859c837298fe08148b58bc3215750c7f4ff99a82e0d3f9e76d2f92

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
SignatureHrTFtftXs7b/ic7YC8dPgTXu1OR63tpXoucyBgXUNPsei+l6hBkYGYhmIq/JAo0MgyLnVyrup36zkUTM50FfBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:39.741475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058022
observed eac6ae99d4752360f0c13f9dacc778bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.721907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058022/manifest.json
observed beed707b67859c837298fe08148b58bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.704096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058022/publication.md
observed 57ce17ef925c9c065494afe875521e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.670234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058022/publication.txt
observed b80fd87376b82ecc33293b8d46bac0f1...
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.