OpenTechnical

OT-2026-000026871

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pulsed blow-off before set-down

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-2026-000026871) never changes.

Identity and time

Publication numberOT-2026-000026871 · never reused
Internal UUID01a0ae72-3452-7d77-a473-a913bd47322f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026871
StatusPUBLIC

Content hashes

Canonical text2563dc7203662fdcd8da93c9dabef224c733b38ad107e32341a4397aa6e17305
Markdown9ae3f74a5c936a9f162af404513973596e360e6e526a56ae9d0632d324805c77
PDF
Publication page820e937b9e88aa64dd7545f2bc99792456c7de76bf568a5c06978ac06799d906
Manifest802a6c0462dc2c2c6bd137a6ca2b03c5995da738b0423805cc53f8139fc7c170

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
SignatureqtXSyi86AQrbB1nd0GkkZumJJI4UuL49fvQkM8GF2tYmxlAOe/vpgoRLFvoGduzJfm8349imutucLuk2GY8fAg==
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

2026-09-17T11:43:28.500875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026871
observed 820e937b9e88aa64dd7545f2bc997924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.483808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026871/manifest.json
observed 802a6c0462dc2c2c6bd137a6ca2b03c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.464594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026871/publication.md
observed 9ae3f74a5c936a9f162af40451397359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.444422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026871/publication.txt
observed 2563dc7203662fdcd8da93c9dabef224...
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.