OpenTechnical

OT-2026-000013165

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000013165) never changes.

Identity and time

Publication numberOT-2026-000013165 · never reused
Internal UUID01a0ae6d-6fc8-739a-b685-b50697705eaf · 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-2026-000013165
StatusPUBLIC

Content hashes

Canonical text60638bb14288500e6bb2801c9a9e23c1f05ad5e88ac71d331022ad65dbfb5675
Markdown20201d7cb2295d504a6a6f0bc4996af49781e3f4703f16199f81b896c94db432
PDF
Publication page6158c7c275b04bbd39477667d1197115ae58aeeb32462cbd2c20dfc538ced6a6
Manifestc9d6f10cc2cb2399e959b3f508d74f5854b4c1654399748f5efec48588d0534b

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
SignatureiuhJmeGT6otnbcBF18UZKrKMDC4kFq1GS+x5DZ4UL2NMxarxVfO4lVL5T/QbggBVkzLmSvV2VZPZeepb8wcQCA==
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

2026-09-17T12:09:32.309332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013165
observed 6158c7c275b04bbd39477667d1197115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.290099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013165/manifest.json
observed c9d6f10cc2cb2399e959b3f508d74f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.269293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013165/publication.md
observed 20201d7cb2295d504a6a6f0bc4996af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.249857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013165/publication.txt
observed 60638bb14288500e6bb2801c9a9e23c1...
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.