OpenTechnical

OT-2026-000068055

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-2026-000068055) never changes.

Identity and time

Publication numberOT-2026-000068055 · never reused
Internal UUID01a0ae8f-c4fe-741f-a691-50ffe4088ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068055
StatusPUBLIC

Content hashes

Canonical textb32802a941c1107c86729efb949d38466bcc785a10bed4703ee1391c147b5c93
Markdown6635fb9afdb7dd680a43d01fa9f20782ced6248f2423235ac5eecf7188a29192
PDF
Publication page5d9dbf30cff3b94624e24354021ff363aec5e7532cdb7fc03774bcfa1ef878f4
Manifest6d798ac0085ae16c92f54e7f644dc5205bbc00490e41e6b59270757d7593b1b0

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
SignatureVIludoBgL/nHfrkimNRm61O3946wiuQ2WqfV3aii5GlmwdEG6fM+BNtlRgtNjKKaLVyx1fP0ji6WGKO/JjyFDA==
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

2026-09-17T10:30:37.467281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068055
observed 5d9dbf30cff3b94624e24354021ff363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.445547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068055/manifest.json
observed 6d798ac0085ae16c92f54e7f644dc520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.428713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068055/publication.md
observed 6635fb9afdb7dd680a43d01fa9f20782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.411410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068055/publication.txt
observed b32802a941c1107c86729efb949d3846...
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.