OpenTechnical

OT-2026-000085800

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000085800) never changes.

Identity and time

Publication numberOT-2026-000085800 · never reused
Internal UUID01a0ae99-e829-7b9d-9294-bd4b83f3a5e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085800
StatusPUBLIC

Content hashes

Canonical text085ed03e59cacd1246e89a46a2d3617c8d21e8bba400e0e86301d373a36bf8d0
Markdown0604fda0ed603c48344b081f6b22862978cda9f403f250b50360956214dffa8b
PDF
Publication page8a5eeff500f5da60fa5c587d3375283e1cdd4b5f0d023c7b0f28deb2725f0ae3
Manifest7fb62fb1a992d27ef6976142deb988d6747ef863b8ed9884e28f7d84e9eb2e5b

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
SignatureN1Pr+giLRUElGgg4ORbcsNF/9Uv1wzvx7pqmXL59OSBnxKWAw/vBnSxeseJbevu0i1tbPrMz7qUV+hMDRJSpDg==
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

2026-09-17T09:52:42.986760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085800
observed 8a5eeff500f5da60fa5c587d3375283e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:42.967427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085800/manifest.json
observed 7fb62fb1a992d27ef6976142deb988d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:42.948467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085800/publication.md
observed 0604fda0ed603c48344b081f6b228629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:42.928049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085800/publication.txt
observed 085ed03e59cacd1246e89a46a2d3617c...
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.