OpenTechnical

OT-2026-000094307

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000094307) never changes.

Identity and time

Publication numberOT-2026-000094307 · never reused
Internal UUID01a0ae9e-92cd-73ee-9319-bf44f802e3ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094307
StatusPUBLIC

Content hashes

Canonical text05c02756e3da9d4263146ee31abea645e57140b93c111ee4f17198e293304f1f
Markdown94a785906f7e1d5e8050c79fe3da5e5e361dbc4ab681a9230d62bf588de0b97e
PDF
Publication page87305ab987fb0e054fe0f0f34439704ac4091e4a05c0b25ecc6904f5e186e958
Manifeste1f7c67a2aab857a4f4adc1856c40291dbc40d5f1c9d02f5c77eaa63d64275ad

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
SignaturekE+36Detos6UHPJRP86BUVWZOKQkWjgFYwihXyXqepVHwVQ8qpO7YztFHD/C1YbWJV42X0jfpTwGFfkrhMXoAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-10-31T04:41:27.140658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094307
observed 87305ab987fb0e054fe0f0f34439704a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T04:41:27.067676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094307/manifest.json
observed e1f7c67a2aab857a4f4adc1856c40291...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T04:41:27.003548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094307/publication.md
observed 94a785906f7e1d5e8050c79fe3da5e5e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T04:41:26.942180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094307/publication.txt
observed 05c02756e3da9d4263146ee31abea645...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:07.707961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094307
observed 87305ab987fb0e054fe0f0f34439704a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:07.659494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094307/manifest.json
observed e1f7c67a2aab857a4f4adc1856c40291...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:07.606181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094307/publication.md
observed 94a785906f7e1d5e8050c79fe3da5e5e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:07.550745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094307/publication.txt
observed 05c02756e3da9d4263146ee31abea645...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent