OpenTechnical

OT-2026-000098557

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000098557) never changes.

Identity and time

Publication numberOT-2026-000098557 · never reused
Internal UUID01a0aea2-42ab-7ce0-901a-ed0740b1da40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098557
StatusPUBLIC

Content hashes

Canonical textafe74dd7b09c9d0816dfb5ee70690a93d25df10231a50e0baf353eac83b65fa3
Markdown0c010ebdf185adf679e075350802949152d2aa2557bde9b1f94e2e2f2cec5de4
PDF
Publication page4b19bf1eb64c967fdfd1436227456fe1a589ef4af64a27317eef431d95e8dc7b
Manifest3d8f9832488a5940d98ff3ce357037f5c66be85c869cb1cd4cf0b557e3f30c89

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
SignatureADzsvKBCw5W8r/EAwRHZuDocTf5aQKq7Oym62mDQNOzSYw4wKM2lvTC3+xbgmsQuro0QZaqBxaZatacURRcOCQ==
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

2026-09-17T09:30:49.182085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098557
observed 4b19bf1eb64c967fdfd1436227456fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.163680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098557/manifest.json
observed 3d8f9832488a5940d98ff3ce357037f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.145869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098557/publication.md
observed 0c010ebdf185adf679e0753508029491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.125275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098557/publication.txt
observed afe74dd7b09c9d0816dfb5ee70690a93...
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.