OpenTechnical

OT-2026-000079574

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079574) never changes.

Identity and time

Publication numberOT-2026-000079574 · never reused
Internal UUID01a0ae96-0b92-7ba3-9c3a-96080af5abf9 · 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-2026-000079574
StatusPUBLIC

Content hashes

Canonical texta62dd9f04f1349f88b3d3615cba48f24de76358eae4061281ba6810950a48509
Markdown7da00dceb7f853daf526cfddd73ee78377efff0aef83c1dd963465a5d0c50da5
PDF
Publication pagea0628a73403a41d2cab706b1d0e2f77e1cdabf8c19076536491578bb3d5bdda6
Manifestb6eaca3c55bb7b0f58fe843bc918bd6485a56a05cebbd79fade53ea81f40b0ca

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
SignatureQ7SA8Q2MXlOhbbiYEDttnYq45/Pib2FTD6LIF2hL4zu6O9JenPymhUQtSdMYQo7Rb0CXRtWknjJcWRCCq4vaBg==
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

2026-09-17T10:05:13.556972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079574
observed a0628a73403a41d2cab706b1d0e2f77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.536277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079574/manifest.json
observed b6eaca3c55bb7b0f58fe843bc918bd64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.515666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079574/publication.md
observed 7da00dceb7f853daf526cfddd73ee783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.494517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079574/publication.txt
observed a62dd9f04f1349f88b3d3615cba48f24...
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.