OpenTechnical

OT-2026-000076800

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000076800) never changes.

Identity and time

Publication numberOT-2026-000076800 · never reused
Internal UUID01a0ae94-b070-7ab9-9a2e-797ac7514af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076800
StatusPUBLIC

Content hashes

Canonical textf5ea199f734e85c6df1c3b4f3b90515fc80d0715ad74497ea1edb7f10d74e92d
Markdown1c31b5596b54aaae285e934f58e19f39cb83a21a370a727879a16f9eb628c93d
PDF
Publication pageaf300a35467364d80e895759df43ece46b59f948f414c5211d50c1d1ef4d628e
Manifest7aec5731747b33633a01afbb55f9b27998f76f9de4a5a2425120782d6fa18d32

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
SignaturekaecFsNADDt3qnnambb8rfhVKh/k1mY2byIcduJLVgMP3sZzF0qUfSmMzKPByEqaj1iMtOS/V2zDEH6Y/BsgAg==
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

2026-09-17T10:09:40.021858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076800
observed af300a35467364d80e895759df43ece4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.003423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076800/manifest.json
observed 7aec5731747b33633a01afbb55f9b279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.984718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076800/publication.md
observed 1c31b5596b54aaae285e934f58e19f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:39.964754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076800/publication.txt
observed f5ea199f734e85c6df1c3b4f3b90515f...
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.