OpenTechnical

OT-2026-000102247

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102247) never changes.

Identity and time

Publication numberOT-2026-000102247 · never reused
Internal UUID01a0aea4-50f3-71b1-95da-0f860196f1ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102247
StatusPUBLIC

Content hashes

Canonical textf123c19b6c94a100ad8a1e4d49718750ba9665a74040519191b0d79d8cb1917d
Markdown63bea3a61c66ded5af11c548739dd9fdf96d72a822777efdd9ac16733914b69b
PDF
Publication pagef085300f48bbc72964bc7b94a013585fbb1157dcf109e52e6ab858d3f4800213
Manifestc4e2caa9415927f91e995b20aa91e0eb6365ed2b107c417f2220ba49a3c712e5

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
SignatureEq1aYAPLlOA3ZX4AyjDEka5yXFoUAAEkOefKyjyYWDeyP9u85wLD/ArpdBEd1PoxrZCrPqjUQ7Bf0e0RqpqjDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:25.784606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102247
observed f085300f48bbc72964bc7b94a013585f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.765795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102247/manifest.json
observed c4e2caa9415927f91e995b20aa91e0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.746670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102247/publication.md
observed 63bea3a61c66ded5af11c548739dd9fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.728659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102247/publication.txt
observed f123c19b6c94a100ad8a1e4d49718750...
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.