OpenTechnical

OT-2026-000078304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented after set-down

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-2026-000078304) never changes.

Identity and time

Publication numberOT-2026-000078304 · never reused
Internal UUID01a0ae95-7c27-76e7-ba66-a41ee4b0a9b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078304
StatusPUBLIC

Content hashes

Canonical text74097f8e1533a9cf57d99ebd74d4d8ead3cdc5c3b7ac65cb4846c80b7cf995b1
Markdown2818d8ebbc29293d9da36e9292c82dee63cda48993f9ec86939098b580819e99
PDF
Publication pageda943742a11573b2177c82f92dbdacbd1e880b4fc3dbc9e2f519e2d23e43044d
Manifested8ac33826607cf9ed0eb21be34262fb2f6e041797fd101c5e2c3002a71b9060

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
SignatureELA2R99fE05gL+eSAvVrWaB/ee2MhDnmN6UcUKhoZsqdMjq/OtopuOC4xXuYiMIKiYUlaECC1Iv0zJePlTctBQ==
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

2026-09-17T10:06:16.155210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078304
observed da943742a11573b2177c82f92dbdacbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.136338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078304/manifest.json
observed ed8ac33826607cf9ed0eb21be34262fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.118174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078304/publication.md
observed 2818d8ebbc29293d9da36e9292c82dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:16.099181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078304/publication.txt
observed 74097f8e1533a9cf57d99ebd74d4d8ea...
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.