OpenTechnical

OT-2026-000013354

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000013354) never changes.

Identity and time

Publication numberOT-2026-000013354 · never reused
Internal UUID01a0ae6d-6fc9-7d97-b550-c1052154872c · 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-2026-000013354
StatusPUBLIC

Content hashes

Canonical texte82677155bb07395a2dc8d186614edec157b93e181b1ff848b7c5a80ae445012
Markdownf88841273c802370b056ed3924ee20a689378148e258eacdb45f48c59ffe7df2
PDF
Publication page8e84c397c01d4d9438e68104d0c56679ecf9988945acf12e19f8d6f0a44d731d
Manifest58353fba426f1e407efe9522a9cca6b4dce952e3cc801c2b541288cf039ebb81

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
SignatureKEE1o+5baxkoNNQvEAdrK6ETWo+8ZnfX4QYWuc7x5NVtRxlZxP29UR0ja4JggVWAkvcyQyh0jwYefn0/Sw6KAQ==
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

2026-09-17T12:09:48.299326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013354
observed 8e84c397c01d4d9438e68104d0c56679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.280183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013354/manifest.json
observed 58353fba426f1e407efe9522a9cca6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.261608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013354/publication.md
observed f88841273c802370b056ed3924ee20a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.242810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013354/publication.txt
observed e82677155bb07395a2dc8d186614edec...
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.