OpenTechnical

OT-2026-000026904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000026904) never changes.

Identity and time

Publication numberOT-2026-000026904 · never reused
Internal UUID01a0ae72-3452-7927-9e7e-b24fbc04ead6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026904
StatusPUBLIC

Content hashes

Canonical text84a820d57a26beb59db2842469c61a51b9ef59d6070112f423e0e7f126f184d3
Markdownb71e1a21394fea9e77c262882ab7e3c5c6ce8bcaa4e5b1f2c6f1c4a93cbc1024
PDF
Publication pagea07e5d98a32ec7082923dedaa524994eaddfb0d53f44d36a971650ede51d7460
Manifest7bc19fb505a3bb95dc97b8aabbba234e4ddfbe1d2ecee7587057a2732407ba01

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
SignatureBW8UbJIC1rdXD/Lb+asVZ02mcdd6jyf1IKYpbwAnaK8vtp7RD9Xfv8CukiHQvXBj71bAnzXXFpA8NUDPHohjCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:30.913557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026904
observed a07e5d98a32ec7082923dedaa524994e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.896687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026904/manifest.json
observed 7bc19fb505a3bb95dc97b8aabbba234e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.880193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026904/publication.md
observed b71e1a21394fea9e77c262882ab7e3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.863467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026904/publication.txt
observed 84a820d57a26beb59db2842469c61a51...
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.