OpenTechnical

OT-2026-000021882

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000021882) never changes.

Identity and time

Publication numberOT-2026-000021882 · never reused
Internal UUID01a0ae6f-bb5b-7e20-ab77-58b31003820b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021882
StatusPUBLIC

Content hashes

Canonical textdd4ebc952b2de78383c4523bf005e5cd4a68f32b35906afb1e2b092279e10b99
Markdowne76c2f7b429ab5136ae5aa27f202e9d5c3fdf1a2e5f92a4f57c9cbc297fd86ad
PDF
Publication page12495cfeb967ce24e2a6c500c96be361b8550a93720d2745440654e793b93c3f
Manifestd0e309bf34b3160243f7be1fe47f661931ad8c16912d7f7654d144b414e2986c

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
SignatureTxJlUbu87F0RDQmdNvnd1xRmkZSNhea/ugCNP+aP8LEPVKOj2I2KYzkCwOafi8V9f+/PCKoILUpwCrq7ngWyCA==
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

2026-09-17T11:54:26.847082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021882
observed 12495cfeb967ce24e2a6c500c96be361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:26.830565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021882/manifest.json
observed d0e309bf34b3160243f7be1fe47f6619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:26.812543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021882/publication.md
observed e76c2f7b429ab5136ae5aa27f202e9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:26.794964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021882/publication.txt
observed dd4ebc952b2de78383c4523bf005e5cd...
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.