OpenTechnical

OT-2026-000089770

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089770) never changes.

Identity and time

Publication numberOT-2026-000089770 · never reused
Internal UUID01a0ae9c-1a22-7c7e-9efa-774dbb9f7f37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089770
StatusPUBLIC

Content hashes

Canonical textab4ae6786af00a169976ca81edf448be67da66922e5cb725ca4d8af95d45a9fa
Markdown6ecda120db1e3d35e78b1161f728e6c82be5583f973c1f26cd928c4695d895bb
PDF
Publication page1000511d7e411ad1b7ec816dccc84930ca4de8b2aa88213a2dcdf72e45c2e7f3
Manifest6715e2d47b66f12e0a80a9c645ff5f1254e396a11a5d180f2e8a9f97447c25d6

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
Signature+2A9LkBrP9TBJLcww00a8xI4trYH5rpXRnYWCpOWPTbUocH4LwSjyDrStcVDMQctGAYPW1hRm971IQQW8CjCBQ==
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

2026-09-17T09:46:51.425131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089770
observed 1000511d7e411ad1b7ec816dccc84930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.408382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089770/manifest.json
observed 6715e2d47b66f12e0a80a9c645ff5f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.391267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089770/publication.md
observed 6ecda120db1e3d35e78b1161f728e6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.373625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089770/publication.txt
observed ab4ae6786af00a169976ca81edf448be...
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.