OpenTechnical

OT-2026-000034428

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000034428) never changes.

Identity and time

Publication numberOT-2026-000034428 · never reused
Internal UUID01a0ae76-12eb-70cb-a34f-d2eeeaab9277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034428
StatusPUBLIC

Content hashes

Canonical text740af18aaf1209a02015deb8302c4cd67ea75b11d64ba0f56ac70be383f5a176
Markdownddcc1514717c0189392b56ff48f187a45a42fc2adae4c4ef21a30df5d8894a6a
PDF
Publication pageeae7ef8c8f7e62434267d35ba10bdb263768b117b534ceb84e3f8dbb2e1095ea
Manifestc0868f8dcb2d0b585602f80ed88d5173dfddecb4d0742f4060703279eede600e

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
SignatureSWleATESapO986ht8HuuGiP8sV6wbkhvYajPpNC5Sj7vzss90tPqV/YV/xQRT+q2SSLIkPSMH6oltMPaATJ6Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:44.939876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034428
observed eae7ef8c8f7e62434267d35ba10bdb26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.920437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034428/manifest.json
observed c0868f8dcb2d0b585602f80ed88d5173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.903805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034428/publication.md
observed ddcc1514717c0189392b56ff48f187a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.880798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034428/publication.txt
observed 740af18aaf1209a02015deb8302c4cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.729966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034428
observed eae7ef8c8f7e62434267d35ba10bdb26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.714216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034428/manifest.json
observed c0868f8dcb2d0b585602f80ed88d5173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.694875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034428/publication.md
observed ddcc1514717c0189392b56ff48f187a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.609505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034428/publication.txt
observed 740af18aaf1209a02015deb8302c4cd6...
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.