OpenTechnical

OT-2026-000036440

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000036440) never changes.

Identity and time

Publication numberOT-2026-000036440 · never reused
Internal UUID01a0ae77-01d1-70ca-87b8-17ea6007bbde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036440
StatusPUBLIC

Content hashes

Canonical textba183e3854000930553fa6d66a9466171d3970e3f5e5bb33d0009a50149a66bd
Markdown8dc6a96498a88bd6ac1998b5a071a6cc49b5b0bdae72f7634104822a05e72307
PDF
Publication page7facd6c8f36bff07858339703c138f5f83ea5561746a42f69717a31ae7c2e9ae
Manifestee97cd2b28df3a2392e14644b85a585043eed2d2c494af3f1fcdd57ffaa808ae

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
SignatureT8Jg45xHD6bhzQDVPb8Ceyd+HkU4fptEsX3+IwCfO6OJZy2m/Q+EhdhiSoJ/gMoWrZbtMF5hTXpMx5hnrggiCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:50.225115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036440
observed 7facd6c8f36bff07858339703c138f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.208151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036440/manifest.json
observed ee97cd2b28df3a2392e14644b85a5850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.190683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036440/publication.md
observed 8dc6a96498a88bd6ac1998b5a071a6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.172697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036440/publication.txt
observed ba183e3854000930553fa6d66a946617...
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.