OpenTechnical

OT-2026-000070249

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000070249) never changes.

Identity and time

Publication numberOT-2026-000070249 · never reused
Internal UUID01a0ae91-545e-734c-b2b0-11aa9310d843 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070249
StatusPUBLIC

Content hashes

Canonical textc6f02ae33c33cdfb6ee2d32584f7f4b82dc96c66dfbd3afeda8772a0a7efecbb
Markdown6f2c6af3485752e05445aac06670c673118ac2f2f891087a7be3f4180a5fa0d5
PDF
Publication page1af55e849d72470148c913d2b694282db84d5358c0fba8f2a6f3c3f78d2124eb
Manifest1472bff9caee72af58736e33b57df4cf5cba03d8f78395a452c05a65b32ef053

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
SignatureFx+HcRwsHJXPzfHSgINPyc4+I53buT1SdKfi3lYv1ZIz1onkvidV9cOi45Q/XN/yfRRqehHyOL4D6UpL1Lf7CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:01.612045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070249
observed 1af55e849d72470148c913d2b694282d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.594062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070249/manifest.json
observed 1472bff9caee72af58736e33b57df4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.551053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070249/publication.md
observed 6f2c6af3485752e05445aac06670c673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.509214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070249/publication.txt
observed c6f02ae33c33cdfb6ee2d32584f7f4b8...
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.