OpenTechnical

OT-2026-000035505

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000035505) never changes.

Identity and time

Publication numberOT-2026-000035505 · never reused
Internal UUID01a0ae76-b4c4-79f7-9a5f-1decf750af05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035505
StatusPUBLIC

Content hashes

Canonical textb953fe319b7c1bec2d7e9fab071a0a65f08cce662ffcb172f2d1ced9ac7afca5
Markdown4dffb58ec88cea650c0c4d61fe52f6b97094561a0ca6d91af64839556b5371ce
PDF
Publication page108f3d22911c8d0a3ff16911f2e9be110595ba598c4466dc3ed97a42ec20b154
Manifest3e53b78751be4b3e8252642df229a91a75d021c06d3d5ffcf1f521257689af48

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
SignaturedNxTxlrRyVtbe3OCEal7HEUhpRbhrL/IOs3s8kRBGH/GC58Le2Klv6MpOv/ysuTcXVel4CkMjvdakhAIMD4MCw==
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

2026-09-17T11:26:55.450834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035505
observed 108f3d22911c8d0a3ff16911f2e9be11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.432051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035505/manifest.json
observed 3e53b78751be4b3e8252642df229a91a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.415332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035505/publication.md
observed 4dffb58ec88cea650c0c4d61fe52f6b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.398137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035505/publication.txt
observed b953fe319b7c1bec2d7e9fab071a0a65...
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.