OpenTechnical

OT-2026-000027790

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000027790) never changes.

Identity and time

Publication numberOT-2026-000027790 · never reused
Internal UUID01a0ae72-a4a4-7e9c-8053-7e04e002b410 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027790
StatusPUBLIC

Content hashes

Canonical text494844711b04ccf74364368f735b0eac2e26aeb898ea468bcfdc1c06b3a152b5
Markdown275725027484ca8e0d1252590838e04fcb5770809f3c3cf9f5ce7995b14f16ed
PDF
Publication pagef20ed380c999f4b0a0a412550c46aa426d414297fa81c6f1a0bf594b95adab34
Manifest73dacdde1b6b61ac7f7c446f5194c3e488dc31deb81eefe5d6c71f5ac5d750a0

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
SignatureCgLcWEnlpGXJ+i+4ptppQJHtS8Tsrwz5X6gDUbnbN4ywgsVchYaYsChZwe++77IimaSwLi9S0LvzcAwFG64tDg==
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

2026-09-17T11:41:50.135348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027790
observed f20ed380c999f4b0a0a412550c46aa42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.117716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027790/manifest.json
observed 73dacdde1b6b61ac7f7c446f5194c3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.099810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027790/publication.md
observed 275725027484ca8e0d1252590838e04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.083928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027790/publication.txt
observed 494844711b04ccf74364368f735b0eac...
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.