OpenTechnical

OT-2026-000028066

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000028066) never changes.

Identity and time

Publication numberOT-2026-000028066 · never reused
Internal UUID01a0ae72-a520-7ef6-82a3-ffafc24808f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028066
StatusPUBLIC

Content hashes

Canonical text18c77bf101af3983659562e26bddf5498305970b84f03fc13e520783fe0ed95c
Markdown5caf6feaae3196f577534a977ccf8f973b9a03e8a58a4dd1714ac5502a75233b
PDF
Publication paged31ca2db2289b5c5bed15bd3cc6c1dd23851ae44ff64354c91eeebe80710b787
Manifestf6b42ce883d9da89649483e82ef03dc3c54713d7d84802448289c2123e6876f5

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
Signaturepv2xGARIgbgn8UN82LNLLEQFEM8U1yZVfjtl1c56Cq/lJNodbplzOJaJuDOZEBlBF/h7M+C3R9dozTph/1dbDQ==
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

2026-09-17T11:42:24.152466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028066
observed d31ca2db2289b5c5bed15bd3cc6c1dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.134032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028066/manifest.json
observed f6b42ce883d9da89649483e82ef03dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.113814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028066/publication.md
observed 5caf6feaae3196f577534a977ccf8f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:24.095020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028066/publication.txt
observed 18c77bf101af3983659562e26bddf549...
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.