OpenTechnical

OT-2026-000073496

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000073496) never changes.

Identity and time

Publication numberOT-2026-000073496 · never reused
Internal UUID01a0ae92-efb9-7c7c-ab0d-92a1a84fbb7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073496
StatusPUBLIC

Content hashes

Canonical textf8cd52603a70eb8cafb1aaa0c6c79fbf5dab75aca0882a4b670d97bb4c71ed52
Markdown6412cb1e378747fdb4510e641ef19bb0c54a98f3bef5b89ba9709bf5de1612ca
PDF
Publication pagec5f57522c06732a89ff3132a65b8e2dd1b1f9ae18b142d820445de32d4a71dea
Manifesta8db2ea7bc0e298ba4c9a54fc4e22133afdad84679f87ad0590f89ae3a5ec84e

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
SignatureO40zx0cKctvAyAZI7pgyD/SBU5AhD9JnRKbXvbFKhmOFpfX8i0sI4KN8SXcKfi2EQPh6LB4cHQVgFEYgeqHEDg==
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

2026-09-17T10:21:39.210886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073496
observed c5f57522c06732a89ff3132a65b8e2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.194173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073496/manifest.json
observed a8db2ea7bc0e298ba4c9a54fc4e22133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.164358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073496/publication.md
observed 6412cb1e378747fdb4510e641ef19bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.134931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073496/publication.txt
observed f8cd52603a70eb8cafb1aaa0c6c79fbf...
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.