OpenTechnical

OT-2026-000100090

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000100090) never changes.

Identity and time

Publication numberOT-2026-000100090 · never reused
Internal UUID01a0aea3-1474-7cb2-a239-b05e27fa83e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100090
StatusPUBLIC

Content hashes

Canonical text782ce917acb25df38c1127ced04499e560ec3c7345791e5f94feafc73a4b11b0
Markdown43baac636e2ceb673d72eac91fc5a8b74278ca61a6556f3cfc4bc49ad2bea47f
PDF
Publication page5c2998eb30d1905ea574340b8f3e7f71dcf133bdaa8e5b6a14fa7079e3a2c0c7
Manifest19025f8978cb4ddc6520fa205583d3dc29a20cbdd58eda6f6c669823aa24e938

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
Signature3LR1LoJogzhvzwANj50+aDFl4ISrd9adrVTcrmH02t9rgmC79d9fJQIYsy2dhltMVAjne0O4E3q7LGEp58gKBA==
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

2026-09-17T09:29:02.724609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100090
observed 5c2998eb30d1905ea574340b8f3e7f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.706295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100090/manifest.json
observed 19025f8978cb4ddc6520fa205583d3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.687763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100090/publication.md
observed 43baac636e2ceb673d72eac91fc5a8b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.669413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100090/publication.txt
observed 782ce917acb25df38c1127ced04499e5...
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.