OpenTechnical

OT-2026-000040092

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000040092) never changes.

Identity and time

Publication numberOT-2026-000040092 · never reused
Internal UUID01a0ae79-26fd-7488-8c93-23e766c05c18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040092
StatusPUBLIC

Content hashes

Canonical text18ba993d7d4a5847eda29abc6647dc6f3504660132c933583577026dd7e247e6
Markdown31da5d39b8588201ac40e589b751108d5a65de7ca50835f425fc49cb632e6a44
PDF
Publication pageb4cc31f1c2eb1b743918c995a3138a6da001c623ed890d296e9bb09ef0328340
Manifestd714a85b556f56b92f6ba58efa099c104881a07cf690b1abfc77a06f7563e14a

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
SignatureZ6G5K4jldWtwrtrT/XhMKq5BCW7QNMO1UP/BPBPx8iXCnzTh+sUbnGABiyE1M8WkUcbfGMFl7QFQ2XfdZH1xBw==
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

2026-09-17T11:18:56.468149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040092
observed b4cc31f1c2eb1b743918c995a3138a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:56.451784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040092/manifest.json
observed d714a85b556f56b92f6ba58efa099c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:56.434187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040092/publication.md
observed 31da5d39b8588201ac40e589b751108d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:56.417634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040092/publication.txt
observed 18ba993d7d4a5847eda29abc6647dc6f...
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.