OpenTechnical

OT-2026-000071185

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000071185) never changes.

Identity and time

Publication numberOT-2026-000071185 · never reused
Internal UUID01a0ae91-e0eb-7efb-89f2-15f5f1d00d18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071185
StatusPUBLIC

Content hashes

Canonical textbf93e6ad02e0db876c4f3bf4eda6b66ceb9c76354fa9c2e88f8f30456f94047b
Markdown2594db33e1a6a24abc77042286c6e2528a5f9c6e44baddfe26d54a6b5004aedc
PDF
Publication page88783c0c18b3cb751b3ff1d0dcf617f204c41aa8fc5fef3e8c3ba4e52ce07259
Manifest659dbb8bf8b23b51938e09f68fc9eb1949df6a2b989ab8bfb4b954b45684196b

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
Signaturep8R0m4wcBtREAk/p7+l5FSLoEqYc2EWYr0xgiwEsMsek+6dbffAHuVGOzHnqmPv+Q+qDPLYAjArJhUW5yt4ZBA==
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

2026-09-17T10:24:42.001007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071185
observed 88783c0c18b3cb751b3ff1d0dcf617f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.983710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071185/manifest.json
observed 659dbb8bf8b23b51938e09f68fc9eb19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.967057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071185/publication.md
observed 2594db33e1a6a24abc77042286c6e252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.950532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071185/publication.txt
observed bf93e6ad02e0db876c4f3bf4eda6b66c...
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.