OpenTechnical

OT-2026-000049530

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000049530) never changes.

Identity and time

Publication numberOT-2026-000049530 · never reused
Internal UUID01a0ae81-8f7c-7b4a-b377-e202ee9238d3 · 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-2026-000049530
StatusPUBLIC

Content hashes

Canonical text8359c75ee3a55a2693c9551bc408f514f1da1eeef238e13a47893ce6550248e4
Markdownbca3dc440734a849653a3a01d7a3f068c9a48ff99fd377badaa9506f84a45766
PDF
Publication page99e14314e0fd9fab9ea2a5fd580caed69ec6a2cb16282260c9c7f100055b3509
Manifest4b12b80362879e769cb01c19da0f3e170b32908ce76891bacf334871ba2c7615

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
SignatureDKnoKQ3bRKtBL5c83Jg5/p71ViQ69tUkSMujMC8sxWAgAwupmvr4IOn902eYMv3Kga43q3e8tq6sZH5abivXDQ==
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

2026-09-17T11:02:23.564065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049530
observed 99e14314e0fd9fab9ea2a5fd580caed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.546735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049530/manifest.json
observed 4b12b80362879e769cb01c19da0f3e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.528583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049530/publication.md
observed bca3dc440734a849653a3a01d7a3f068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.510985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049530/publication.txt
observed 8359c75ee3a55a2693c9551bc408f514...
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.