OpenTechnical

OT-2026-000099443

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000099443) never changes.

Identity and time

Publication numberOT-2026-000099443 · never reused
Internal UUID01a0aea2-c974-78e8-89e1-79add5e03e48 · 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-2026-000099443
StatusPUBLIC

Content hashes

Canonical text03f3a8be97a15776bc77bdf79ca0ff42eea43a1d4febc0dad704441c567345ea
Markdownb12842f99a26ac18ca64be8650b0ccf74a4fadc30d3db52c4cedc2345bcb4868
PDF
Publication pagee3d1aacb830e79ea4710e9420720ecd2076092fc24c9146620d4c7b5237a970e
Manifestbb15d801c2205af8014a2944f49b3c43839011d2b8691797d5f2062f7d129b40

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
SignatureHfVa0iquhjUsiAVxndz/p0jOXPJ0ivdTOgQk23gh1JZg4jE2PbngXM5Rzy2Pz3jH4H9HP590xdk5IN7JOh5FCA==
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

2026-09-17T09:29:13.298677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099443
observed e3d1aacb830e79ea4710e9420720ecd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.278964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099443/manifest.json
observed bb15d801c2205af8014a2944f49b3c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.260868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099443/publication.md
observed b12842f99a26ac18ca64be8650b0ccf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.244199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099443/publication.txt
observed 03f3a8be97a15776bc77bdf79ca0ff42...
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.