OpenTechnical

OT-2026-000039857

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000039857) never changes.

Identity and time

Publication numberOT-2026-000039857 · never reused
Internal UUID01a0ae78-d8d6-7794-ab02-6d689ec12b77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039857
StatusPUBLIC

Content hashes

Canonical textd08cc98ddebc87d1c64e78ad48a90716cf0fcfd1ba8fdf36b784d57afba57a47
Markdownc6049c86eda9a54a51ea3a93b2e668e08a4166d11e092fda1cbd87f3b29226be
PDF
Publication page0d337a8f1d63ba059b4d5f650f58a338ae4d5eb04b18a7255aeb7ce6beb2beca
Manifest0374031fad197309497ba993e47ae7f053d05d7f13f7bfec5419e6fe012bbc6c

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
SignaturepCRJOc+MPwu24w8L78dXHPwEotAsnl99Y9raD9Q+XPOQtjYgJLI9lOG/RQBhrdDYogxL1gTI3uW4g9tFLkgoCQ==
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

2026-09-17T11:20:08.155609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039857
observed 0d337a8f1d63ba059b4d5f650f58a338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.137348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039857/manifest.json
observed 0374031fad197309497ba993e47ae7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.115349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039857/publication.md
observed c6049c86eda9a54a51ea3a93b2e668e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.094180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039857/publication.txt
observed d08cc98ddebc87d1c64e78ad48a90716...
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.