OpenTechnical

OT-2026-000087140

Publication integrity record

Two cup vacuum gripper, two 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-2026-000087140) never changes.

Identity and time

Publication numberOT-2026-000087140 · never reused
Internal UUID01a0ae9a-9f2e-7236-9f72-5b5e611e8506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087140
StatusPUBLIC

Content hashes

Canonical text3149de5f73155973b0360824d74949797bb0d9c99f201420c854711b57410062
Markdownbcd1dbf8cd1e3abe8ec25de7084b20b4b5918ef81a7b615001d61ab36ec01cc3
PDF
Publication pagea3e23d8ad67acbb953789779193b73a77cbb4e1efa98a1f9042db1ab0bdea39b
Manifeste5e94820457218b3dc099391f59ce1c561742d43ee57861834f3cd89066334a6

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
Signature+4O5dOu+1W6R2AqZjOuSEpsImen5lb4IaR8iGdrughBboveVDBQjMsFvBVqwo5E+PdWQ871dawJ/3n8lOy0/AQ==
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

2026-09-17T09:51:24.252122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087140
observed a3e23d8ad67acbb953789779193b73a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.236377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087140/manifest.json
observed e5e94820457218b3dc099391f59ce1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.219382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087140/publication.md
observed bcd1dbf8cd1e3abe8ec25de7084b20b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.204579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087140/publication.txt
observed 3149de5f73155973b0360824d7494979...
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.