OpenTechnical

OT-2026-000022803

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000022803) never changes.

Identity and time

Publication numberOT-2026-000022803 · never reused
Internal UUID01a0ae70-46ea-7de9-9694-483b0565ba75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022803
StatusPUBLIC

Content hashes

Canonical text89fa7d9d0f7ec7cb155f62a6e76195981cef4a003be042468286e7231f5075e1
Markdowndbe59ca87be473d0638fb2acee1ada5e28815ec8c202a8588eb95621babeab36
PDF
Publication page82eedc47a60f0fc7c9b5d403a0f542fab5a4791ffb0c594ab51b2da9f4f5ceac
Manifestfdfc028e11a6b4c5d90bc75f0482c9e76fe8b21d63d1c2c17e4f77f49b0198b5

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
SignaturefETIrA8YrN2UhvemJdxnC00ofp7zwHJmligKGWBtRagw4XuphWmxb6t9hPXjXttkTZKU9fXMoVrTut4gh+FaDQ==
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

2026-09-17T11:52:19.684023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022803
observed 82eedc47a60f0fc7c9b5d403a0f542fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.667473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022803/manifest.json
observed fdfc028e11a6b4c5d90bc75f0482c9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.647259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022803/publication.md
observed dbe59ca87be473d0638fb2acee1ada5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.629747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022803/publication.txt
observed 89fa7d9d0f7ec7cb155f62a6e7619598...
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.