OpenTechnical

OT-2026-000052843

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000052843) never changes.

Identity and time

Publication numberOT-2026-000052843 · never reused
Internal UUID01a0ae84-a42e-786a-a2fd-990fb26198b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052843
StatusPUBLIC

Content hashes

Canonical textebe58976c45e796932720f4e741f61b266b47e9be0ea263a4941e4587973d081
Markdown3aede7603865f6684c33c662630e9b9aa53bbf46a0b8bf0cf2a8cf5764b5209f
PDF
Publication page6dee46d8a071940417109945bf0dea040d0aa27aa0bd891c614f02a73da8af59
Manifest24546a2124713191bd5e73183c111a60b3d95cce6cfb2b5725594f34db80ef1b

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
SignatureboXej0ibpHINDuUs/9ovlfV67Eu0z+mfOxOaStSZzAdxNgZqR2+U4czZ3vpMNSnrw6Zq9ZUrKVxWxrv4VpnYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:52.506429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052843
observed 6dee46d8a071940417109945bf0dea04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.488858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052843/manifest.json
observed 24546a2124713191bd5e73183c111a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.471193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052843/publication.md
observed 3aede7603865f6684c33c662630e9b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.452652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052843/publication.txt
observed ebe58976c45e796932720f4e741f61b2...
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.