OpenTechnical

OT-2026-000093141

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000093141) never changes.

Identity and time

Publication numberOT-2026-000093141 · never reused
Internal UUID01a0ae9e-0910-7911-9ef2-d89e58a38f80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093141
StatusPUBLIC

Content hashes

Canonical textfec51555cacf3d70f88fd4b1903b35c45575adc52481207d8b910c12699735c0
Markdown2a6c1a3ec24e15bdf0097000cdfc921f63008bba578aa81c3624d8957db198b3
PDF
Publication page51cffbc1adfc048a9122b2d97ca63b246ac9842a3fb3a81f7c849a8d94a8e5b6
Manifest0a4ce8d9073435b456c80d843405e9e2d3cafd0d085e48603034efb809d6e6f7

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
SignatureiGkT1czzslNkLWa+dLdheBFakFiTAGIz7w8ApwFdrAWnDiJ4f6Q7QldCitlCPEuoKrlJW2wdmFlTaaVO+7kKAw==
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

2026-09-17T09:40:26.069536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093141
observed 51cffbc1adfc048a9122b2d97ca63b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.051662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093141/manifest.json
observed 0a4ce8d9073435b456c80d843405e9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.034259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093141/publication.md
observed 2a6c1a3ec24e15bdf0097000cdfc921f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.017373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093141/publication.txt
observed fec51555cacf3d70f88fd4b1903b35c4...
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.