OpenTechnical

OT-2026-000086604

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000086604) never changes.

Identity and time

Publication numberOT-2026-000086604 · never reused
Internal UUID01a0ae9a-2c98-7357-b6fe-7fda93eddd37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086604
StatusPUBLIC

Content hashes

Canonical text8db950a11c76e1174cf2c97c38d8bc3f80e2ea805ae0e35a4d250d77abb3451d
Markdownfb0875aaa85a3bb5776332e22c6810c769c15247633cabefafd673efa7132680
PDF
Publication page3ce19d0887096af65b96bf092f8f32926f42a44f4a078f5981e2adfd8f53ba86
Manifestad0f358c533aae8e52f5be998b200dba39660a159a2570cc74a0eb66f815f3c2

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
Signature44IDfyA0OGzHfsXckJ96Yf5Q8x8zxmQCYsbMyislEOLALHqBgllaqaxyhqdarnqCFMj0AggFqEql6ptSmNZWAg==
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

2026-09-17T09:52:26.953651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086604
observed 3ce19d0887096af65b96bf092f8f3292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:26.937001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086604/manifest.json
observed ad0f358c533aae8e52f5be998b200dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:26.918715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086604/publication.md
observed fb0875aaa85a3bb5776332e22c6810c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:26.899852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086604/publication.txt
observed 8db950a11c76e1174cf2c97c38d8bc3f...
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.