OpenTechnical

OT-2026-000041734

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041734) never changes.

Identity and time

Publication numberOT-2026-000041734 · never reused
Internal UUID01a0ae79-e8a1-7d7d-9a71-cf69c6a3a406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041734
StatusPUBLIC

Content hashes

Canonical text7d7f035e628de16b50d3b3092e3f64d1c3738d9d8bc5a06dcaf111d0286cc5a0
Markdownaab592e8835e38dbc614fc58bc462c0346ea40be14f9ea757e956a03a2aa7326
PDF
Publication paged8e219c685a33885972df6eee81220902b84ec38c3713faf57cb164f2e02cbf8
Manifestc819ce7b2bec3b60c2a765f73733e78a228023a1ca817acf035be3d826c59bb8

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
SignaturezqE/lVelgIeTTUtmlpSc8Qjn6HlXsUEvsxT+pQ7tEup5nsRXHvM9jD3bSXsHdsBZFJPAR9o3oWrWXvZpP4xvAA==
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

2026-10-30T04:23:06.101208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041734
observed d8e219c685a33885972df6eee8122090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:06.085211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041734/manifest.json
observed c819ce7b2bec3b60c2a765f73733e78a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:06.068983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041734/publication.md
observed aab592e8835e38dbc614fc58bc462c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-30T04:23:06.006507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041734/publication.txt
observed 7d7f035e628de16b50d3b3092e3f64d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-24T16:41:08.383336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041734
observed d8e219c685a33885972df6eee8122090...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:08.315159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041734/manifest.json
observed c819ce7b2bec3b60c2a765f73733e78a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:08.242117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041734/publication.md
observed aab592e8835e38dbc614fc58bc462c03...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:08.177139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041734/publication.txt
observed 7d7f035e628de16b50d3b3092e3f64d1...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent