OpenTechnical

OT-2026-000103329

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000103329) never changes.

Identity and time

Publication numberOT-2026-000103329 · never reused
Internal UUID01a0aea4-be3f-74bc-bd27-ee4dbb0b9f59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103329
StatusPUBLIC

Content hashes

Canonical textae43925fba8499f3f0589f93029eb94f01ede4c9bf45b123dc41c830314aefa2
Markdown932be6e2b0b382fbfcbd56fbd03ea67bdbe7348cee1a30143557012cd8e0b019
PDF
Publication page2a791cd5a8425f571c8b38c4e7caa075e7daef868476ac81390b0398efb80494
Manifestec9822eb2e10e26baa35cbe8379596534ea04144f8bdc3515840d4ceb6100b29

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
SignatureIG14ywoPcvXD+gqWHEzgu1IIgGOGqglReshB1IIlL8KNvuZ+gwjw59I+mLF6E3WAUsfGZHnTGOFAVAX6SIjfAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:34.983496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103329
observed 2a791cd5a8425f571c8b38c4e7caa075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.965045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103329/manifest.json
observed ec9822eb2e10e26baa35cbe837959653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.946695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103329/publication.md
observed 932be6e2b0b382fbfcbd56fbd03ea67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.928857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103329/publication.txt
observed ae43925fba8499f3f0589f93029eb94f...
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.