OpenTechnical

OT-2026-000073508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two 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-2026-000073508) never changes.

Identity and time

Publication numberOT-2026-000073508 · never reused
Internal UUID01a0ae92-efb9-7686-8a81-b0d8ebca2754 · 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-2026-000073508
StatusPUBLIC

Content hashes

Canonical textf1d453f5efa227a5c97454f5aadbdef2c6d32de50e4bb4c5cad28857627f3318
Markdown14ef9991547428c3911ad520972c5c2f70d41b4efa8084f65d03210c5143f22d
PDF
Publication page743666edef5ebe4c35a75aca853be5f82ef25115ca31e42d73b9fc7229203674
Manifest65d403b956a93e7f66cb4085cff6ac17fc5fcfd241e1844e3786f3873bec92d0

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
SignatureR6nBh+cl/ZzmKbUXnSnT5XpRngt9GX8KpvGoQlWywaW6LyH+4VMA2iVHp/JHniYZPbZ8DOC8Ekhwl9+laDyACw==
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

2026-09-17T10:21:01.916892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073508
observed 743666edef5ebe4c35a75aca853be5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.899044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073508/manifest.json
observed 65d403b956a93e7f66cb4085cff6ac17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.880326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073508/publication.md
observed 14ef9991547428c3911ad520972c5c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.861567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073508/publication.txt
observed f1d453f5efa227a5c97454f5aadbdef2...
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.