OpenTechnical

OT-2026-000084327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000084327) never changes.

Identity and time

Publication numberOT-2026-000084327 · never reused
Internal UUID01a0ae98-5b61-7e55-89cf-e47e1636673d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084327
StatusPUBLIC

Content hashes

Canonical textb850331a4c74db4d313505e7c1a95757dea75c2d85fb248b3c5fffe4a84b9235
Markdownd448a0706229301f308e753d6759b99fb9292b1ff4083cf945aeb6def5e50e2f
PDF
Publication page2b6f2e44b6f6e5cf4d55b88991864231f2e8570573a0857eccef926ff90d7edd
Manifestce488b71bd6673ba3e14d88dbebcb89efb696976d79d0b1d108a38894c1b98e6

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
SignaturetOhO8wogaABSG4pto9lamJihRirOIJyhSTt7r7W7MAwzRbAtMM8QqN4NMv0xJdmNhMuavdBta/Y/ogy0dTIHAg==
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

2026-09-17T09:56:15.210035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084327
observed 2b6f2e44b6f6e5cf4d55b88991864231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.195034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084327/manifest.json
observed ce488b71bd6673ba3e14d88dbebcb89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.179155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084327/publication.md
observed d448a0706229301f308e753d6759b99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:15.163063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084327/publication.txt
observed b850331a4c74db4d313505e7c1a95757...
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.