OpenTechnical

OT-2026-000082091

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000082091) never changes.

Identity and time

Publication numberOT-2026-000082091 · never reused
Internal UUID01a0ae97-4d93-7de6-b3b3-0f60de2b5ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082091
StatusPUBLIC

Content hashes

Canonical text2d17c4ed3aeffbf59446db2114cc5a1a1688694dae8b101aad30ed8ec2a964d6
Markdown7b3c468eab3c157f37c4375a26e2f8e662b43bea77ecba463652d61d74a29449
PDF
Publication page57bced10b7f744069f51dcd51950e24a1fb65b81c0c20a401e2e9cea3b06271e
Manifest1268cbf17481b3c7919e39017794ab7d94bd19dbc4f3b79120ff3b57d8d36ffc

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
SignaturelWZd/C64mS36VThB4GTfrw2LA0COCbOXib5E5sXEu68+AeK3/REZIL2mRGNbpGQkIJrsWTtR8rXPkNYr0b0iAA==
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

2026-09-17T09:58:53.887141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082091
observed 57bced10b7f744069f51dcd51950e24a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.870579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082091/manifest.json
observed 1268cbf17481b3c7919e39017794ab7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.852786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082091/publication.md
observed 7b3c468eab3c157f37c4375a26e2f8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.836437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082091/publication.txt
observed 2d17c4ed3aeffbf59446db2114cc5a1a...
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.