OpenTechnical

OT-2026-000034337

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000034337) never changes.

Identity and time

Publication numberOT-2026-000034337 · never reused
Internal UUID01a0ae75-df0e-7245-ae7c-1449a98b4656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034337
StatusPUBLIC

Content hashes

Canonical text93e108e3d7b5a0614bd6704f6ce5ba149fbfd819315709d68eca661faef20125
Markdownd4b618a3b8aeb977d7dcb6b266501522ead4cf8cd05abc4f507eeb6b8f8188ef
PDF
Publication page195a5f3515854d6436a7cf5407181db3726ed87f25354b440129ba9479ab34d9
Manifest7647a00bcbfee9ef5c4fab88233ae6a28f42e27d7672dc480f5b74bd5af8e26a

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
SignatureFxQluClFxmLfzdm2vfqttFTQVdsqOx1Z4K8keHzsoeTlCeIUM4FdTUhBmXX9xILv/qbQAFy/oZ0iJ+POj6gbAQ==
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

2026-09-17T11:31:02.088169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034337
observed 195a5f3515854d6436a7cf5407181db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.068884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034337/manifest.json
observed 7647a00bcbfee9ef5c4fab88233ae6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.049165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034337/publication.md
observed d4b618a3b8aeb977d7dcb6b266501522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.031272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034337/publication.txt
observed 93e108e3d7b5a0614bd6704f6ce5ba14...
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.