OpenTechnical

OT-2026-000104294

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000104294) never changes.

Identity and time

Publication numberOT-2026-000104294 · never reused
Internal UUID01a0aea5-3420-7803-ab74-4e43c66e70df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104294
StatusPUBLIC

Content hashes

Canonical text8d64582fc56e11fee14008297abc03b948770aff246bfa9a549a544c0de1ad37
Markdown586945c302ab5668d000a2be1c255a75ee32a1606354b476cfd58ddb6d495190
PDF
Publication page618d77be0cd3e7eddf09d64e483d3c85606d3e8554645cabbebc05fc98a5a79d
Manifest2c29d4de2e81d62dc024de7b45e4112790368fcc6849f8dd279b894eabcd2976

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
SignatureuqiwZbVypWpJqhpBDp+UX4qZ1P1OuCC+BHED9iRffT+D9olXims5bqE7RNdGNZovR6JS5v5EzbyL4XOIY/fACg==
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

2026-09-17T09:21:32.246866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104294
observed 618d77be0cd3e7eddf09d64e483d3c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.228645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104294/manifest.json
observed 2c29d4de2e81d62dc024de7b45e41127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.192239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104294/publication.md
observed 586945c302ab5668d000a2be1c255a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.148372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104294/publication.txt
observed 8d64582fc56e11fee14008297abc03b9...
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.