OpenTechnical

OT-2026-000022238

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000022238) never changes.

Identity and time

Publication numberOT-2026-000022238 · never reused
Internal UUID01a0ae6f-f4fc-718a-a086-47fcc67f6e06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022238
StatusPUBLIC

Content hashes

Canonical text41d5d2c3691df6b440e37636101eec96cefcd99b7b24fe98fe6e7de7bc51334f
Markdownc97ef69c7bde6a6865d4bb98c48e9bbcd9773bd11043efca3416d3a4b5b8a73e
PDF
Publication page2f985f561d3306a508363d508555b38a854929b885579365bc21000f26986967
Manifest498dd9d0b418fc18e0b34c31544a5e13489df70bff5fbbdf00b1874d9926242e

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
Signaturea5PXy1knE9JRoTb+lzAMYmmOJN1fQftFz3MYSCdVU76/pNSV5Yzv/PwSOpsKpOIdCLTQvrjzqRVi7htIbHR9Ag==
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

2026-09-17T11:52:55.903420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022238
observed 2f985f561d3306a508363d508555b38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.887385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022238/manifest.json
observed 498dd9d0b418fc18e0b34c31544a5e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.871297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022238/publication.md
observed c97ef69c7bde6a6865d4bb98c48e9bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.854250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022238/publication.txt
observed 41d5d2c3691df6b440e37636101eec96...
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.