OpenTechnical

OT-2026-000030905

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000030905) never changes.

Identity and time

Publication numberOT-2026-000030905 · never reused
Internal UUID01a0ae74-3fb6-7b4a-8f2c-083d18d0cb48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030905
StatusPUBLIC

Content hashes

Canonical text88916f9841bfe2890882ae21abc66b895023fd58c0c7d92d8e2be0372aba8063
Markdown89ea5e293c76b95278603f09853cae5bccec23c0a2f88c2ebfeda59085315a92
PDF
Publication page22ce9f0505fbe0b1787a6374577d6017c5507bd09ae9a5d069d6d393c9b7dbbb
Manifestdba2e917e04f9c59c7fe2f86e318800d95d21a0e67c7e5484c97369abbb3e8c8

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
SignaturejBCVLthmLugOzPJ4tNAp73qNq167cb12T1XLR8g5KWv/uZnX/9fThBjKI298t1FRhrl5jDMdc+vJFMkiumiUAg==
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

2026-09-17T11:36:53.624168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030905
observed 22ce9f0505fbe0b1787a6374577d6017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.607163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030905/manifest.json
observed dba2e917e04f9c59c7fe2f86e318800d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.589427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030905/publication.md
observed 89ea5e293c76b95278603f09853cae5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:53.571205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030905/publication.txt
observed 88916f9841bfe2890882ae21abc66b89...
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.