OpenTechnical

OT-2026-000051712

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000051712) never changes.

Identity and time

Publication numberOT-2026-000051712 · never reused
Internal UUID01a0ae83-7c83-70aa-b08e-3e71a92e6ccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051712
StatusPUBLIC

Content hashes

Canonical texta3a7f05f00a74e2b4fb46f76479f039a7a1c8f1a55d521698df2cdd1a20d8261
Markdown9bdb84134845c799bf07ad17c52f6dbdea24727714dff926bc191f73e04f2797
PDF
Publication page4cea07051cd1f5622baba8e01bd847418992d1053caab0b9a6cf3f9ab5ce33bc
Manifest42796edacf97d66a0ee96968be4bab93b1eb62973b36a5abe87ed660387000da

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
Signature8YHWKQfdpy/dtdwbaER6EQ8CnldT+EZGTNiYPlxhjJsXP1JZ+Fvd7ZhxZOFVTlT3abV3F42zl2Vud4n4QVBwBw==
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

2026-09-17T10:58:35.748115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051712
observed 4cea07051cd1f5622baba8e01bd84741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:35.726242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051712/manifest.json
observed 42796edacf97d66a0ee96968be4bab93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:35.705628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051712/publication.md
observed 9bdb84134845c799bf07ad17c52f6dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:35.686800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051712/publication.txt
observed a3a7f05f00a74e2b4fb46f76479f039a...
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.