OpenTechnical

OT-2026-000034198

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000034198) never changes.

Identity and time

Publication numberOT-2026-000034198 · never reused
Internal UUID01a0ae75-df0d-7ece-8177-c4c25fe887eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034198
StatusPUBLIC

Content hashes

Canonical text64547a1519bb488c1ad53c5397dd850e9632cbf96db4270511fd6e72e33b0839
Markdown26a21a985c6ba5789f9c4572bdaa91b687dc852de2e0e9de0d20cddf70aa8ab6
PDF
Publication page1c20d19a2ca4f75648ca030764dbf25aaf102ae2f2b050ed3c9ff9e5703c5b0f
Manifest26d40d980be474e03a4e3a5d06e419f15038aca6ee51d397c4fdd40912275041

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
SignatureDQbUZi8KPCMckst4bDMAYV53FutYPVCnS1/oHyLvnofbG19wftOVDC+ethL9HA/8AaQVEFqUUz4xeyPuzSqIAQ==
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

2026-09-17T11:30:44.416856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034198
observed 1c20d19a2ca4f75648ca030764dbf25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.399756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034198/manifest.json
observed 26d40d980be474e03a4e3a5d06e419f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.382598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034198/publication.md
observed 26a21a985c6ba5789f9c4572bdaa91b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.361492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034198/publication.txt
observed 64547a1519bb488c1ad53c5397dd850e...
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.