OpenTechnical

OT-2026-000013457

Publication integrity record

Six cup vacuum gripper, 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-2026-000013457) never changes.

Identity and time

Publication numberOT-2026-000013457 · never reused
Internal UUID01a0ae6d-6fca-7ede-b970-84f2929785e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013457
StatusPUBLIC

Content hashes

Canonical text502384787841816c6968c6bc86cb4513aab3e53805ce3aa059d1e5c065b275b3
Markdown78769e3663f22d4f267a69f24ed21b040402b0a7248f5ec8abaa90f49ce7a1dc
PDF
Publication page0b3d5b383ed803298f36e3d213d5b17759b09d6fd4e6caa743f9d976bd184967
Manifestc97c614e5957f56077a75181f6ba5f07d280644918b87ac9940e799e8f76cd80

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
Signature+6x2GuLqogR0UybMDR5A2f5YkOCZahmvnMKWI93Gbd2AKwApqBTwo2G9nw0daidWvftdiA8BMbmLNOmgg4sLCA==
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

2026-09-17T12:09:57.120894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013457
observed 0b3d5b383ed803298f36e3d213d5b177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.100171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013457/manifest.json
observed c97c614e5957f56077a75181f6ba5f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.080918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013457/publication.md
observed 78769e3663f22d4f267a69f24ed21b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.063314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013457/publication.txt
observed 502384787841816c6968c6bc86cb4513...
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.