OpenTechnical

OT-2026-000037051

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000037051) never changes.

Identity and time

Publication numberOT-2026-000037051 · never reused
Internal UUID01a0ae77-7740-7c16-a863-7d5313e0f2a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037051
StatusPUBLIC

Content hashes

Canonical text50341ded835a92ca46f5a99e2fa6bce3ce8df6b69bff9e033a5589f508ff0303
Markdowncd997732fa20c38eab9283fb77a2f33af751f74b657e4d37367af3e037f42456
PDF
Publication page93855ed8c16c51e5740f3c0af7529be77f35bfe2e9c2c2e8e86085f5b2652ae0
Manifest69663d8c0a02c6e27e5fbbffe07988f302cdba93d6788da996c74d92fa90322a

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
SignatureDAZbr15r1u2hwwYYPMazvsFylMy426V9Ljac3p92j8N7DTIXuyJac9nNizYMnbQZdt9UlriBopH9L2A3z17nCw==
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

2026-09-17T11:24:54.257659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037051
observed 93855ed8c16c51e5740f3c0af7529be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:54.233461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037051/manifest.json
observed 69663d8c0a02c6e27e5fbbffe07988f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:54.210295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037051/publication.md
observed cd997732fa20c38eab9283fb77a2f33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:54.187847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037051/publication.txt
observed 50341ded835a92ca46f5a99e2fa6bce3...
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.