OpenTechnical

OT-2026-000099679

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000099679) never changes.

Identity and time

Publication numberOT-2026-000099679 · never reused
Internal UUID01a0aea2-c976-72f4-92e1-235d42c8d864 · 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-2026-000099679
StatusPUBLIC

Content hashes

Canonical text86b6a82efc16b3f8683dbaf4415380f2f7b8d028704a6db2ec9c4bfca86ea996
Markdown753f53cac1301ce61b90384f0b42c624913e8f49f51c413a31a740820ae977db
PDF
Publication pagec6501ad3b803dca7d73c6169c1e8a16ff3b7525fd8d98caa99a2d1bc59b88fb0
Manifest439351b439d6eb5e9b3a2586394d6812a8a40b9e8c3d7014f2438d9498841a95

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
Signature5RI5cmRLd5QbKfBU+14TkgQfvZT63Ut8uNEHaXmyMqv3r0eJtt99ym9mC9zb2bcqXLEc+tJPvHSmdDDrOgG2Cw==
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

2026-09-17T09:29:37.439768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099679
observed c6501ad3b803dca7d73c6169c1e8a16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.421191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099679/manifest.json
observed 439351b439d6eb5e9b3a2586394d6812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.401844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099679/publication.md
observed 753f53cac1301ce61b90384f0b42c624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.384178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099679/publication.txt
observed 86b6a82efc16b3f8683dbaf4415380f2...
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.