OpenTechnical

OT-2026-000089198

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000089198) never changes.

Identity and time

Publication numberOT-2026-000089198 · never reused
Internal UUID01a0ae9b-db00-7e2c-a2ef-4b909e03e86b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089198
StatusPUBLIC

Content hashes

Canonical text2ab700b310e56a0989ce8b29558afaa41ae97b85a81b707abae825da572790db
Markdown1c4d93a27af9753e4b1cc2e9a6a0c9556fb8f01f5d84c787208c56133b0d98c0
PDF
Publication page1efd519b45339484525d7be6a52145dacb20be4e1939dec1f36b422c732807f0
Manifest50e058fede68060d768b51e9696a47bb4018645c445db2a3d2560f406a852324

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
Signature9f9Y5NS/beSQKse6G7Spu6ikxLyEWKrPsnYyjBpSdgxLA7TvZmS++lbYKQUH4WNqLb1Hppa5VQWRbqq8ommwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:03.786924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089198
observed 1efd519b45339484525d7be6a52145da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.769533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089198/manifest.json
observed 50e058fede68060d768b51e9696a47bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.750870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089198/publication.md
observed 1c4d93a27af9753e4b1cc2e9a6a0c955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.707012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089198/publication.txt
observed 2ab700b310e56a0989ce8b29558afaa4...
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.