OpenTechnical

OT-2026-000061704

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000061704) never changes.

Identity and time

Publication numberOT-2026-000061704 · never reused
Internal UUID01a0ae8b-b8aa-73ba-9cf2-f580e2be28f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061704
StatusPUBLIC

Content hashes

Canonical textf12193a6eadde678071017164a1ca7b547b34a3b41b9f9feef3f2d69d0f8ca4b
Markdownafec44e7ae654d56cb3b145fbae1a1116a5f280961703d136b4e65772feed02e
PDF
Publication page5b311d0f320bf243ce7d038a2d496dc2ac7b07dc4599dd99ef1604acb1ed7335
Manifestf74e22ed642d8f7711579cb1b903aaccd92d36ee30befed02ba3a6113c839d19

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
SignatureiYem6obWmT9Ys91BqgpMcR+dHxwNdOiP6rrIFLhAhRibdW/IEzeTGS7a1jykuKr3ebFNETrZDjiIlwGVm/7iCw==
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

2026-09-17T10:40:16.343420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061704
observed 5b311d0f320bf243ce7d038a2d496dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.311097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061704/manifest.json
observed f74e22ed642d8f7711579cb1b903aacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.289706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061704/publication.md
observed afec44e7ae654d56cb3b145fbae1a111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.270183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061704/publication.txt
observed f12193a6eadde678071017164a1ca7b5...
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.