OpenTechnical

OT-2026-000079358

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000079358) never changes.

Identity and time

Publication numberOT-2026-000079358 · never reused
Internal UUID01a0ae96-0b90-7bff-8c9d-5c835442a4cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079358
StatusPUBLIC

Content hashes

Canonical text485a1962eb2dc5521368cec594e51f29008fdde144db4dc0bb1793b86e1eac99
Markdown7e30df600e15ce4651bdf1927059b3a63cdce6e299a710e1a51ff7ddb0e3ac61
PDF
Publication pagef19f5d6a62a308b0ede72158a9b89792b8177305e8412223d5ad0f5f6f2207c5
Manifestd06c935df07a873bb94007f84a6eb619f1ff7cc3033d222b8b790ba436f0a410

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
SignatureMGtM70aQJAmLp5SdUjP4yuCP0lPJUjU5nE9Migx9DkZ4h+63w3DPQW+mjahHqgpXeoilUbinKohAlQ+DIdgjAQ==
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

2026-09-17T10:04:58.442535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079358
observed f19f5d6a62a308b0ede72158a9b89792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.425613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079358/manifest.json
observed d06c935df07a873bb94007f84a6eb619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.406138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079358/publication.md
observed 7e30df600e15ce4651bdf1927059b3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.386594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079358/publication.txt
observed 485a1962eb2dc5521368cec594e51f29...
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.