OpenTechnical

OT-2026-000102702

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000102702) never changes.

Identity and time

Publication numberOT-2026-000102702 · never reused
Internal UUID01a0aea4-858b-76dd-8b77-4f52e18fa112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102702
StatusPUBLIC

Content hashes

Canonical textea74917b5378ec07dfec2b65487cce84caba0ce3bb56266d24abb662932b34d8
Markdowned410e3a2de54c8bef7cbead9b44a78ecd72571761edb18a5a79488a96e53254
PDF
Publication pagecf65e64b4f08732e568eb15175b7b0cd16b4939c9118fa4fa07697abd8b356a6
Manifest18e2fdb006d0530683f43f1f4f106784e2187f33c2229738e9d0b570e0332306

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
SignaturetFFo8dQiJSVlobuHZFZ0dNmVJepHfAKqgxBq4TNMXZi3ZrXl4bwjoYSg5+HhLEcHKJqegK5YZERsPs3CkBdODQ==
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

2026-09-17T09:24:12.864486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102702
observed cf65e64b4f08732e568eb15175b7b0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:12.845607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102702/manifest.json
observed 18e2fdb006d0530683f43f1f4f106784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:12.827143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102702/publication.md
observed ed410e3a2de54c8bef7cbead9b44a78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:12.807916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102702/publication.txt
observed ea74917b5378ec07dfec2b65487cce84...
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.