OpenTechnical

OT-2026-000084443

Publication integrity record

Three cup vacuum gripper, three 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-2026-000084443) never changes.

Identity and time

Publication numberOT-2026-000084443 · never reused
Internal UUID01a0ae98-5b63-7a5d-ac68-c8ae54a1ce50 · 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-2026-000084443
StatusPUBLIC

Content hashes

Canonical text27b3323e197371e5732676fb7d0c224edb3d2ee4f09bbc35aff4988aad5b7c42
Markdownb3df5160656b246b768c1d182fd90a341ce2b8bd9db3af3074ef07253b470a08
PDF
Publication paged992c1609f5ec6c613056cc9ee4a236d2a75dd7d081a14c6ffb0b39c83920031
Manifestea6be427f9ad5b0158b0380da9146558ac0b1e7b96ea4b46e754361db198f980

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
SignatureP7YPo9KfQ/08nq4Wk0r2462gp2Ne4mnYg4TBudvfEw2llthTOkm7Ann/mLEQ0m2oqS1UqFhbQpiA4BVZwOmIDg==
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

2026-09-17T09:56:23.991590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084443
observed d992c1609f5ec6c613056cc9ee4a236d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.972847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084443/manifest.json
observed ea6be427f9ad5b0158b0380da9146558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.954516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084443/publication.md
observed b3df5160656b246b768c1d182fd90a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.936985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084443/publication.txt
observed 27b3323e197371e5732676fb7d0c224e...
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.