OpenTechnical

OT-2026-000037500

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000037500) never changes.

Identity and time

Publication numberOT-2026-000037500 · never reused
Internal UUID01a0ae77-b8ce-7ad7-b13b-5403704a5edf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037500
StatusPUBLIC

Content hashes

Canonical text83b158a44ef5ba76e21e936b1ba1415c41227e980e8dc2572ea36b8cf45b3041
Markdown80ed00be5432bb231216bdb3b40ed54173645e0d8a8fb42cd51d8be4c77a9c98
PDF
Publication pageadaa8d9bc2a953aef00d719cb66d5e00d26bab76b86cfe5bf71e540c191228d6
Manifestc7a76b4bc9ed97dd025ae7510d82472ee62c5c19e20f3774cbb5909466cea08d

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
SignaturewtgOpPoRw3mlvNYD07EsUOpc1Vqe2xfro8plSTE/K5QBEK8WN2mjDlXunzhr7zJAssKznUx4m2pYp3Zm1oODAA==
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

2026-09-17T11:23:56.876694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037500
observed adaa8d9bc2a953aef00d719cb66d5e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.859719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037500/manifest.json
observed c7a76b4bc9ed97dd025ae7510d82472e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.843704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037500/publication.md
observed 80ed00be5432bb231216bdb3b40ed541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.826864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037500/publication.txt
observed 83b158a44ef5ba76e21e936b1ba1415c...
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.