OpenTechnical

OT-2026-000023042

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000023042) never changes.

Identity and time

Publication numberOT-2026-000023042 · never reused
Internal UUID01a0ae70-46ec-7268-ab8e-1a0dc4cb573f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023042
StatusPUBLIC

Content hashes

Canonical text45e4623ca6285455d78f8f1555044ac6a447762ed98d14544b3aca699ee9b59d
Markdownca7167051d16281d5fc93660ca685cc8216a836c24c74f049e5acc0be68cc43f
PDF
Publication page0e3c9cf9d3cb41a6ba8efb35b4b11d70b313a8bead539073e814b9560185ba64
Manifest9c101cdb5ccf5baab06484c7a1e417e745fca37d53ae9834933dd2779e5f5040

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
Signature8RIF9AEeY2q+x9q6BSR0WsbwXrcHjBvJPQ8RPHD8JXpt4EglEscGY4EEaTk8nVTBZIM7+3yWTB6+vRsOaeg+Cw==
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

2026-09-17T11:52:38.793433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023042
observed 0e3c9cf9d3cb41a6ba8efb35b4b11d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.775999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023042/manifest.json
observed 9c101cdb5ccf5baab06484c7a1e417e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.756896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023042/publication.md
observed ca7167051d16281d5fc93660ca685cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.738579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023042/publication.txt
observed 45e4623ca6285455d78f8f1555044ac6...
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.