OpenTechnical

OT-2026-000034318

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000034318) never changes.

Identity and time

Publication numberOT-2026-000034318 · never reused
Internal UUID01a0ae75-df0e-79a1-b120-b60cc04821d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034318
StatusPUBLIC

Content hashes

Canonical text16334c0e956856164892ebc9c1c43b33645eafc695eadc27d6d93799eb3fffd1
Markdowne42d907b0dd090bfa3bfa4e02034c83230984c6c837d1d3d9cc2108c19be0fbc
PDF
Publication page14568398d3fdde7fcab84cd405b0bc768d54c1abe76eef369491ea24dc3f7dff
Manifest730297b210d02ca8cb1cfb200678baa11bc4fe236f8bbfbdb6106575aa193c5b

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
SignatureBmyui9eKEBbKGOnjZkkbzNdM1R4J1JYmVwKmFYzWynos61USoCxn/dTNuo3dhaOzlYWubU7tgoUs3fIWXxp2Aw==
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

2026-09-17T11:31:00.707517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034318
observed 14568398d3fdde7fcab84cd405b0bc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.689885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034318/manifest.json
observed 730297b210d02ca8cb1cfb200678baa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.674915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034318/publication.md
observed e42d907b0dd090bfa3bfa4e02034c832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.659757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034318/publication.txt
observed 16334c0e956856164892ebc9c1c43b33...
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.