OpenTechnical

OT-2026-000063247

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold 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-2026-000063247) never changes.

Identity and time

Publication numberOT-2026-000063247 · never reused
Internal UUID01a0ae8c-94ab-7e59-91c4-f7e9e9b85079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063247
StatusPUBLIC

Content hashes

Canonical text292dd4e31230fcf51198ecbd1746568f122d812a1fb2eb2bc139c943545b95fd
Markdown3a99f2d96eb2c4720b849f4e306094e74d744a18027a83f8959170cfa3d4b37b
PDF
Publication paged41b24ddce27fbe6e92f44b87565abf402c3b80d77de91ed6219617b8bbdb02b
Manifest879972989da8aab1c8de2114d8eebf7a207c84ba04a0593240963aaf53de71e3

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
Signature5rwHBGStvZzXGaSYwFq0wHRALNANXeEHgiB3x4jRxlZNRtHCbg5O4sHiwZ9rmnRG03kSE1/rr8stAZWpaSagAw==
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

2026-09-17T10:39:07.861477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063247
observed d41b24ddce27fbe6e92f44b87565abf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.843387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063247/manifest.json
observed 879972989da8aab1c8de2114d8eebf7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.825410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063247/publication.md
observed 3a99f2d96eb2c4720b849f4e306094e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.806791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063247/publication.txt
observed 292dd4e31230fcf51198ecbd1746568f...
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.