OpenTechnical

OT-2026-000056583

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000056583) never changes.

Identity and time

Publication numberOT-2026-000056583 · never reused
Internal UUID01a0ae87-7af5-78ee-97de-d6ed208c882b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056583
StatusPUBLIC

Content hashes

Canonical text908224d9178e09ab9cdd3c04501a9ad54d9f679604e7a67f1ccdffa6bab9b277
Markdown4d86ff98663bfdd974df6644e510c64fa32fadd9d2891cd351fb11f2880edca2
PDF
Publication page50e40b4f6c65381df7431c543fd34c0f8f9aa5f76a1286910ea93049e404b894
Manifest81753f8152976a86a689cf564bafcf039fced1833f0886c91f41c6df9063fb74

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
SignaturePux6UYfp8INF81KRgbIZEw5byjEj9WV3TWpxszAVzE6f6k883BC+7DUGjyiguMWi/yP7S/U9K9JH5F+Fri71DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:55.596050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056583
observed 50e40b4f6c65381df7431c543fd34c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.574028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056583/manifest.json
observed 81753f8152976a86a689cf564bafcf03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.554758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056583/publication.md
observed 4d86ff98663bfdd974df6644e510c64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.534131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056583/publication.txt
observed 908224d9178e09ab9cdd3c04501a9ad5...
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.