OpenTechnical

OT-2026-000087340

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000087340) never changes.

Identity and time

Publication numberOT-2026-000087340 · never reused
Internal UUID01a0ae9a-cd4f-7bde-9f67-8798ebe13b52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087340
StatusPUBLIC

Content hashes

Canonical textca4f69dfb1ab931f42e6ba36cdca233b202ba0f3fe92687d45bce7aec3d09176
Markdown09193c2730b5ae6b2b187f6b45618b2843af1539a1e13ae8010092006b0c9622
PDF
Publication pageb3e871c0038a003b943dd24e4bdc728831c20db2a9d9b1d9562722ee88234c77
Manifestbf334a3a8f895c2495ead31b1b5009d391d81be0ae277de7080b02064b6f975b

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
SignatureEQMZHYctVygq1mzz9MYsBtk2KeMrUAjFqnGx6/ZR8GGUbv5m+GvfilJCdomKZdTCvAr4hyHD2YpAvZ/zel4sAA==
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

2026-09-17T09:50:30.687423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087340
observed b3e871c0038a003b943dd24e4bdc7288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.686768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087340
observed b3e871c0038a003b943dd24e4bdc7288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.670856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087340/manifest.json
observed bf334a3a8f895c2495ead31b1b5009d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.669670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087340/manifest.json
observed bf334a3a8f895c2495ead31b1b5009d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.652898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087340/publication.md
observed 09193c2730b5ae6b2b187f6b45618b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.652065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087340/publication.md
observed 09193c2730b5ae6b2b187f6b45618b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.635617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087340/publication.txt
observed ca4f69dfb1ab931f42e6ba36cdca233b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.634210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087340/publication.txt
observed ca4f69dfb1ab931f42e6ba36cdca233b...
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.