OpenTechnical

OT-2026-000027496

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000027496) never changes.

Identity and time

Publication numberOT-2026-000027496 · never reused
Internal UUID01a0ae72-6998-78c3-857b-3983d1382812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027496
StatusPUBLIC

Content hashes

Canonical textbe9d375a2ac1f71c0ff581d9a043ea65a187ddf18814858f2b84b0f7a42d292f
Markdown6f871dd0a1051468aa1604d524cbc175aafb8a4f5967264b4c0475bc07bcb7c4
PDF
Publication page55138df6e51d7d8f4d0ac084d779d81fec65183a4973fdfd47cffba2f4ff18ad
Manifestb2ed392c00429d5ccd4557e8ac86a5551f6e4f2da6c7555a066141464a4285f7

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
SignatureXJu5OrwEnoY4tQSECse4NWdUxHqamKEkb2jugmlP4H1pE4U6wdbxmI8gqiZtbvHA/rjZeKDhkmeDOmV2cimSCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:57.899361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027496
observed 55138df6e51d7d8f4d0ac084d779d81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.883205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027496/manifest.json
observed b2ed392c00429d5ccd4557e8ac86a555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.861394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027496/publication.md
observed 6f871dd0a1051468aa1604d524cbc175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.839330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027496/publication.txt
observed be9d375a2ac1f71c0ff581d9a043ea65...
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.