OpenTechnical

OT-2026-000013194

Publication integrity record

Three pad foam 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-2026-000013194) never changes.

Identity and time

Publication numberOT-2026-000013194 · never reused
Internal UUID01a0ae6d-6fc8-7f5d-ba94-988897947d5c · 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-2026-000013194
StatusPUBLIC

Content hashes

Canonical textcb163bda441f378afb1b3d976d5a2539739f897c7b87e263ae7c746bc2f1efd7
Markdownea51e02829f391eb3c2643ac4bba0797c57c0dcacb1e93c711056da23121c169
PDF
Publication page4b9f8e71767178e5f8a435cd89ce7efa7bfebffd34196f1d91454c1bb12a3d39
Manifest17e1d8db3e16ede1f89a91dd8998b9297291b448ac352602c4e95fb9d46113e7

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
SignatureZPieRgGyA2uoWuMMxbmTlLTvH3ZysmVZOclwbsVtR+mmhMqCsLICyTWdO5bZiUlCqTEBHGamljc5t8zjVlMUBQ==
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

2026-09-17T12:09:34.626227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013194
observed 4b9f8e71767178e5f8a435cd89ce7efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.608637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013194/manifest.json
observed 17e1d8db3e16ede1f89a91dd8998b929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.589450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013194/publication.md
observed ea51e02829f391eb3c2643ac4bba0797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:34.572616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013194/publication.txt
observed cb163bda441f378afb1b3d976d5a2539...
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.