OpenTechnical

OT-2026-000033359

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000033359) never changes.

Identity and time

Publication numberOT-2026-000033359 · never reused
Internal UUID01a0ae75-8980-73ca-b94e-6ccfdc12e0b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033359
StatusPUBLIC

Content hashes

Canonical texta19448d6567a1e27f0d9052a60b06a74f09ea9d641c24b9d00cc09661ee31273
Markdownde815a0b57e096d95f12311a69e711967d423a0af2d8598f39f3916c4dbc95ad
PDF
Publication pageb62778c5ee3e18134d3ebb791d1ad1f1a4698b8de9d38dbed76fc985872ca85e
Manifest5d98250e89a8e4ca5d2e4cfdc33765769c1127d468903a10f49683df59e7c204

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
SignaturexQ1HECTf75hh0QCfcpLO5IJnsb1yJjNUJ8Vwzqj9iv4HSeoi3aSbJl+hiPsjBSC+9X0jHhHkdpSia8nhFCVgAA==
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

2026-09-17T11:32:07.486700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033359
observed b62778c5ee3e18134d3ebb791d1ad1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.467816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033359/manifest.json
observed 5d98250e89a8e4ca5d2e4cfdc3376576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.446906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033359/publication.md
observed de815a0b57e096d95f12311a69e71196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.427414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033359/publication.txt
observed a19448d6567a1e27f0d9052a60b06a74...
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.