OpenTechnical

OT-2026-000026535

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000026535) never changes.

Identity and time

Publication numberOT-2026-000026535 · never reused
Internal UUID01a0ae71-f4a9-7bb6-99b5-cf1783367566 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026535
StatusPUBLIC

Content hashes

Canonical text49f6e237078ad5aa79c7073cf3d76dfaeee0c32e4ee6c4cc7c11cf5cc943706f
Markdown56d23ff9d7b51dba9e5270273b7840424010a292006dad0f67705ba4b7deab95
PDF
Publication page87d740b2b9ab5fe61272fa2ff69a94a1d07370644c0aea9cb8ba5dc6335831a8
Manifestd8bcd66bc73bc78ec9d28bed1b9af59dddf11d7b1fa631e6203594356cf30936

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
SignatureK6LLT+iEK26UWRBR8gbAgfCIpIf0noshPBRY0cDOQIJ2v0D5rvfIFoijMb0qkKCTPdrnVWCNuTY0EANMFWCFCQ==
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

2026-09-17T11:44:39.848297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026535
observed 87d740b2b9ab5fe61272fa2ff69a94a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.830634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026535/manifest.json
observed d8bcd66bc73bc78ec9d28bed1b9af59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.813535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026535/publication.md
observed 56d23ff9d7b51dba9e5270273b784042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.795950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026535/publication.txt
observed 49f6e237078ad5aa79c7073cf3d76dfa...
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.