OpenTechnical

OT-2026-000102156

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102156) never changes.

Identity and time

Publication numberOT-2026-000102156 · never reused
Internal UUID01a0aea4-50f2-7e38-8f1e-1c75ee3e0776 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102156
StatusPUBLIC

Content hashes

Canonical text837bfea93fd048ce15019e43cba6f64b909ef03da56fcafcc202e57b380515f0
Markdown806ee1ca67d0624d0d58983e4b4f363dbce76187a91e9d322369f7e36db2cc2a
PDF
Publication page298d28c82c07b1862e88900331a6854cfc19b1440b08d431181101e7f10806a3
Manifest85ce52a5709f286d79b40a4c049899fd5c035bb8738b4bb27915e0e2ea5b3357

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
Signatures9maVBmDQx3tUY4TdubAUnfRoY5FiJ1iOpDox0jsM5y6nxlY0Q7Us9uaK/CiZtfzhi9AcTIBGCaBBC6YBcuQDg==
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

2026-09-17T09:25:19.398093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102156
observed 298d28c82c07b1862e88900331a6854c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.378666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102156/manifest.json
observed 85ce52a5709f286d79b40a4c049899fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.363086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102156/publication.md
observed 806ee1ca67d0624d0d58983e4b4f363d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.345615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102156/publication.txt
observed 837bfea93fd048ce15019e43cba6f64b...
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.