OpenTechnical

OT-2026-000049390

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000049390) never changes.

Identity and time

Publication numberOT-2026-000049390 · never reused
Internal UUID01a0ae81-8f7b-7861-a9ff-c3f4713d9668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049390
StatusPUBLIC

Content hashes

Canonical text4d9cdd4c3c06d26a5ae1b392690261e6698615a7398571bd5dd993a299356a8b
Markdown5ff12a8e0bf6c575411df5ca9e70c7216b2e23818e1688a8d1c636b0fc4f4c4a
PDF
Publication page13602c8a504469c390f4c917223bfbe7e99d62379d350a73a32678436b13ff79
Manifestdd7220224b8fbfdd338006274045817bb06739f8316c41ca1dc32dd009316a19

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
SignaturetMfP2mC9HK46IDWE+roT3vZU9rVuwjiSxxpDwo+F2qCV2hcQHAkf9Qi4yhAFnZ0/FndD0uCDBzbPuIP1dTVzBA==
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

2026-09-17T11:02:12.159445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049390
observed 13602c8a504469c390f4c917223bfbe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.140737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049390/manifest.json
observed dd7220224b8fbfdd338006274045817b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.123683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049390/publication.md
observed 5ff12a8e0bf6c575411df5ca9e70c721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.104659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049390/publication.txt
observed 4d9cdd4c3c06d26a5ae1b392690261e6...
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.