OpenTechnical

OT-2026-000101131

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000101131) never changes.

Identity and time

Publication numberOT-2026-000101131 · never reused
Internal UUID01a0aea3-c378-7536-b5ba-979e3bf1bbaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101131
StatusPUBLIC

Content hashes

Canonical text4cc2993b27e89ec9c2947145e8c5a03ad6465530fef631a4e2dacc686f62dd80
Markdown1109361171481a9ebf598373bf59f9de8c3d2e09d8ec1d63745f29e48e6f6979
PDF
Publication page8983e3bdcbad02519bd24981a73087c46484b06efe8c70b69307756862ec8996
Manifest79f8515141bb8af4318500f06caab5d395bd43e1cc5867dc53d762907f17ad90

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
Signaturels6BoLSn4Xw9A1+puP1JACHfHapstbd/NXIrM+3OqCh2CxOmhIv7RHMdYxmsnkV9QivuEE0NR3j+C9iiaBX3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:45.695059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101131
observed 8983e3bdcbad02519bd24981a73087c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.675972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101131/manifest.json
observed 79f8515141bb8af4318500f06caab5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.658389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101131/publication.md
observed 1109361171481a9ebf598373bf59f9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.638692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101131/publication.txt
observed 4cc2993b27e89ec9c2947145e8c5a03a...
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.