OpenTechnical

OT-2026-000007715

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000007715) never changes.

Identity and time

Publication numberOT-2026-000007715 · never reused
Internal UUID01a0ae62-843e-7488-b082-a440cad5c840 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007715
StatusPUBLIC

Content hashes

Canonical text6058d242dbcf248d961400cf720712c5af368df25677e2bad79db5ced9d870d3
Markdownb2d2268e77a2f396c291f9d81de0868e0fdddae22436d062ead6a1128f7e9cbc
PDF
Publication page1458690c5b312d467362c98380b3fc30ebf3c7d8d81cd944b133ac72eeeb3939
Manifest185ae3cb84d05ce03dcde6ec55e022e31bbf18d4d050823f4f8926dfa1cea4ff

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
Signature1x2rRb8HoR3P9jWLHWjYyWSVxjtpSUKO42ktuOMbWyrV0MgAJRaclEO8lXdGH++cH7Qoc019VbxGB2N1ETxBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:06.141545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007715
observed 1458690c5b312d467362c98380b3fc30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.124628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007715/manifest.json
observed 185ae3cb84d05ce03dcde6ec55e022e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.107619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007715/publication.md
observed b2d2268e77a2f396c291f9d81de0868e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.090284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007715/publication.txt
observed 6058d242dbcf248d961400cf720712c5...
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.