OpenTechnical

OT-2026-000082881

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000082881) never changes.

Identity and time

Publication numberOT-2026-000082881 · never reused
Internal UUID01a0ae97-8cca-7163-9e3a-2e80041f9b3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082881
StatusPUBLIC

Content hashes

Canonical text0f3ca58d3ba1fd5e13b9a0364f218f53cd0a2dbeb8d25503613632e08ea8ba4a
Markdown5f2039567bd80d5e6bd058bd1830a183e358658667475777a20a359961a57503
PDF
Publication pagebe1b057fdfc82685dba8f756098d1203ff67705a83aaa21c196bb93f33c4fd03
Manifest12bfddb3bbe513596cc952470aba05ba7aba2720b7440621c70d24ea84c9fb35

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
Signature3GDOSleNDatH5FDa7INFqB2moVLaK0RsLW6q4pPB8Y1OmiX3Nsu8OLRaZATr6yV+MiQs1dUDQqeTVuG276heBA==
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

2026-09-17T09:58:33.882536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082881
observed be1b057fdfc82685dba8f756098d1203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.866937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082881/manifest.json
observed 12bfddb3bbe513596cc952470aba05ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.850157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082881/publication.md
observed 5f2039567bd80d5e6bd058bd1830a183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:33.833091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082881/publication.txt
observed 0f3ca58d3ba1fd5e13b9a0364f218f53...
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.