OpenTechnical

OT-2026-000099940

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000099940) never changes.

Identity and time

Publication numberOT-2026-000099940 · never reused
Internal UUID01a0aea3-1473-74cb-bc3e-37418e12ee0b · 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-2026-000099940
StatusPUBLIC

Content hashes

Canonical text184bec984418c3c6ce59cddcade900ca45b9d8617c6ddca54a8efcfd2afe7018
Markdownbc3331ed1aa24f36508954e9fca91512daed742208a87cbd1716c9784823d1ae
PDF
Publication pagee3f36406a62f4b01b20655146351cb24cb6f413a5d0ca52b071348963c3b317b
Manifestc589d9c4f04a0220009ceb61df6720b9359734c2f9c757510290aec619abb6be

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
SignaturefYp1md1CSrVRsDDkSivIA8IQ9II7AAdyvdykLQtZ3Zec9+7rdR7DCO4y/IP647Y7DU2/a0RVQKT/gbLQsf/cDg==
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

2026-09-17T09:30:35.336409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099940
observed e3f36406a62f4b01b20655146351cb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.315557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099940/manifest.json
observed c589d9c4f04a0220009ceb61df6720b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.293363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099940/publication.md
observed bc3331ed1aa24f36508954e9fca91512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.273993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099940/publication.txt
observed 184bec984418c3c6ce59cddcade900ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.908973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099940
observed e3f36406a62f4b01b20655146351cb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.888962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099940/manifest.json
observed c589d9c4f04a0220009ceb61df6720b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.869475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099940/publication.md
observed bc3331ed1aa24f36508954e9fca91512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.850923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099940/publication.txt
observed 184bec984418c3c6ce59cddcade900ca...
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.