OpenTechnical

OT-2026-000043160

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000043160) never changes.

Identity and time

Publication numberOT-2026-000043160 · never reused
Internal UUID01a0ae7b-327b-75eb-af45-6c3e4e94d0e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043160
StatusPUBLIC

Content hashes

Canonical text6744a2d18fec4415444d3fb6be3d7f7cb1915ef52b7b8dca8576e91b9b45b26d
Markdown5b4e2415882bb09667f38c27eabe5b5cf100ab03bbf4c661981eb1c2691d946b
PDF
Publication pageb60e0cb570cc687a8fbc711ae110086e322cb22cf7b52d763973701273ebfc09
Manifestdf25e89401a79ddfba5997203358e0818f109dc98af716ccd0d36bdf057a301c

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
Signature9LsiZGVsFipq6xgP1hWmG70mWkqdDnwawUdEF77dgFfnyHXdvPRuHmHor+w2juBUSm7CLh3hmf+UJl2w0AjQDQ==
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

2026-09-17T11:13:36.214298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043160
observed b60e0cb570cc687a8fbc711ae110086e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.196043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043160/manifest.json
observed df25e89401a79ddfba5997203358e081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.177799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043160/publication.md
observed 5b4e2415882bb09667f38c27eabe5b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:36.161488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043160/publication.txt
observed 6744a2d18fec4415444d3fb6be3d7f7c...
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.