OpenTechnical

OT-2026-000099593

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099593) never changes.

Identity and time

Publication numberOT-2026-000099593 · never reused
Internal UUID01a0aea2-c975-7f94-a353-c32743f2f1f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099593
StatusPUBLIC

Content hashes

Canonical textdc00f0e8bd989579607413c745099a6bd5c42a3b932bfd9e8923094040a790ba
Markdownb3034cfd6dcbac410e01658750f3231d0801dd45afc22a1d21969f50eda6965c
PDF
Publication page0cfeb97aa169cb99128921030ee6706ff6722145eac8321c54c888001df4fbf7
Manifest179b70d283315321b7044b2d3d011823ee3834588a96327a413ee0fa79600d7d

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
SignaturegGaPu9III0xjhgvFPg/XcU1urfiTVMzk772/tEydHXjS5oTiTZ5RJPdXLKgboEoPrZOcnwNpsXFFzFfdZIMlAw==
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

2026-09-17T09:29:31.056136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099593
observed 0cfeb97aa169cb99128921030ee6706f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:31.037587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099593/manifest.json
observed 179b70d283315321b7044b2d3d011823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:31.020931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099593/publication.md
observed b3034cfd6dcbac410e01658750f3231d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:31.002360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099593/publication.txt
observed dc00f0e8bd989579607413c745099a6b...
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.