OpenTechnical

OT-2026-000023475

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000023475) never changes.

Identity and time

Publication numberOT-2026-000023475 · never reused
Internal UUID01a0ae70-7269-7bb0-88c9-a13fc90b1d3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023475
StatusPUBLIC

Content hashes

Canonical textd981682e31eb0da1a7699386cdf5da098a29ec21b55b0a2e9ab0b7222fe75a70
Markdown453d0c7898fdf6aa2181b87d35b6ea1acfc29c5c6cab4f536e14f04ba6023055
PDF
Publication page79a88870ede2fbe54a8248c035d188fe6d1f17bce4f84bad522614de29dcaa7d
Manifestb52375c67256571fc1724c793b14dae8cad41b71130a81d9554c11c9d5e66408

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
Signature6XnVRh6WwuY5grn2KhRD0GDDMgO+zYQe49bcQrNwwoxWkOKX1N2TaPOYNipvqn4oagYm3qJRPelfF6YBkGr8Ag==
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

2026-09-17T11:51:41.963646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023475
observed 79a88870ede2fbe54a8248c035d188fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.945083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023475/manifest.json
observed b52375c67256571fc1724c793b14dae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.927677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023475/publication.md
observed 453d0c7898fdf6aa2181b87d35b6ea1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.909828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023475/publication.txt
observed d981682e31eb0da1a7699386cdf5da09...
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.