OpenTechnical

OT-2026-000092249

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000092249) never changes.

Identity and time

Publication numberOT-2026-000092249 · never reused
Internal UUID01a0ae9d-875a-792f-97c6-37042f7274bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092249
StatusPUBLIC

Content hashes

Canonical text274f2947e2b2e9d4fbde2e4e5752896b56e257b5dbf2d2201ff4f4d3ea30428f
Markdown91d3eabe22fc86277192d06e02077fb9417b97fefc229b56ca6fedba67cd9619
PDF
Publication paged3459fb050107595f7b713cb5e191533b26cee0945a346c297bf34b90273f409
Manifest9135cf1ff2de93948858b88813b4c253ff5a3dbfc7ad4bfee1d473cfa3014a53

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
SignatureD2Ss4KzDp2v7EebpZDHS9RVJFps1W5/hbKga+tzvfN8r+Tc6+4I7se3jGzrzwzYdI0l02QnPLGW74ups4ozyAg==
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

2026-09-17T09:41:46.423199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092249
observed d3459fb050107595f7b713cb5e191533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.405419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092249/manifest.json
observed 9135cf1ff2de93948858b88813b4c253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.387457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092249/publication.md
observed 91d3eabe22fc86277192d06e02077fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.369920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092249/publication.txt
observed 274f2947e2b2e9d4fbde2e4e5752896b...
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.