OpenTechnical

OT-2026-000025703

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000025703) never changes.

Identity and time

Publication numberOT-2026-000025703 · never reused
Internal UUID01a0ae71-9bca-748b-bab1-40deb268975f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025703
StatusPUBLIC

Content hashes

Canonical text1898f1949155ce572108fa091417b888990e803fe59bf6e39449ed465987a3f9
Markdown1c249d86ac8e0a56f8c3b1fb639ee528527507875239b960cbd11aaaf4cb2e78
PDF
Publication page855a4fec630533cfda3ad48137aaa0863fd9c7b9f4b9dcb7566fc2e364672ad4
Manifesta4e377f7c1bbe21a404b7d0ebbed7c2fb6ec05ccb4198bf6841dd89e0eb1c218

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
SignatureYt15f2HsAHha/dv8k2tdDn3LqOrc+/eml0CwbcDCQaB1YUAzlKnwm6c0ek8qhOxZXnPaJSbhMMeNN80r1+U9Bg==
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

2026-09-17T11:46:55.101994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025703
observed 855a4fec630533cfda3ad48137aaa086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.085865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025703/manifest.json
observed a4e377f7c1bbe21a404b7d0ebbed7c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.069199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025703/publication.md
observed 1c249d86ac8e0a56f8c3b1fb639ee528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.052830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025703/publication.txt
observed 1898f1949155ce572108fa091417b888...
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.