OpenTechnical

OT-2026-000086667

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000086667) never changes.

Identity and time

Publication numberOT-2026-000086667 · never reused
Internal UUID01a0ae9a-2c99-7944-8332-11c8dcbd02eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086667
StatusPUBLIC

Content hashes

Canonical textafccedd41eeb59293e3c8b6b2781661100814bd5f6ad59d9f7157452d5b471f1
Markdown9b59084667f19a5377cb0d3b46f0f997a6f1cbbeeb04b2794a039eb0ff7b50ba
PDF
Publication pageb9978b5af8e764b15dce08b1ae50dd15f01c9411af98d2e4d4e82bac487267ca
Manifestc1f0bcb8cd32a0ea6e38c4767579735c8838c98279032108ddf16564248f037f

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
Signaturef5H3VGaEy1sNz+84H0CBlM4Qj7q0lbWLUMIA2Q2cWQdKgIAdOvuTEr5K8K5HPMFcCTb6eSd93MPEKHWyrPZsDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:31.081450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086667
observed b9978b5af8e764b15dce08b1ae50dd15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.064662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086667/manifest.json
observed c1f0bcb8cd32a0ea6e38c4767579735c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.046716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086667/publication.md
observed 9b59084667f19a5377cb0d3b46f0f997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.029815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086667/publication.txt
observed afccedd41eeb59293e3c8b6b27816611...
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.