OpenTechnical

OT-2026-000089415

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089415) never changes.

Identity and time

Publication numberOT-2026-000089415 · never reused
Internal UUID01a0ae9b-db01-73cf-bb1d-d63a0854c9a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089415
StatusPUBLIC

Content hashes

Canonical text07e0b7908f2321f93c9fefc5295151f271e2476675e642196d647f5e2c9f137b
Markdown2060f0be1d05d5db1dcd211e3caf4822afcc930f2dac126c79c52ad2e3d2a8c8
PDF
Publication page95bdd117a5b849ee72f2203e3cd85ca6e890f56caedccf3c3818647994e200ed
Manifestf545741e61d4f7530410257c46dbbc16de96c5c34f249a5a5b2f0738906fcddd

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
Signaturecdi4/hTwEyqs+iOVlhqxpM8O5+ouSTvqqcDbm/Guxlgb0COgsrrSv4aPKU4FV4KvO/koAsMmPVa1Wjcku7IXAQ==
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

2026-09-17T09:47:33.401196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089415
observed 95bdd117a5b849ee72f2203e3cd85ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.385534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089415/manifest.json
observed f545741e61d4f7530410257c46dbbc16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.367459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089415/publication.md
observed 2060f0be1d05d5db1dcd211e3caf4822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.350346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089415/publication.txt
observed 07e0b7908f2321f93c9fefc5295151f2...
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.