OpenTechnical

OT-2026-000085215

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000085215) never changes.

Identity and time

Publication numberOT-2026-000085215 · never reused
Internal UUID01a0ae99-43ba-7d58-9b86-4a6b82b8bc2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085215
StatusPUBLIC

Content hashes

Canonical textd625a364ff6689c3c45ddb2a3f3766fd055c9d63645d7e3481df4070f891f37e
Markdown6e79406af2bf16761a1464378451fc19efb8591552e91547b47e9665392cb9a9
PDF
Publication page49ab0f88fecc9f87c02a6f254699bf22f4c20d5da9e0235d5dbabcf733cc842e
Manifest04127365064645cdcf82a2b1f5d0d16c59f98d56052b2910e155b961f613421d

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
Signature2XiNYQvAAtx13C8uSLRWyA/Qetx0yzB9zgBdH/5m70pmlE6N+LIU+8Qg55C9e3bAf+gDbAU8C4ASr5Jn6ebmBw==
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

2026-09-17T09:55:18.726169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085215
observed 49ab0f88fecc9f87c02a6f254699bf22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.706465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085215/manifest.json
observed 04127365064645cdcf82a2b1f5d0d16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.686372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085215/publication.md
observed 6e79406af2bf16761a1464378451fc19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.668301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085215/publication.txt
observed d625a364ff6689c3c45ddb2a3f3766fd...
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.