OpenTechnical

OT-2026-000043187

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000043187) never changes.

Identity and time

Publication numberOT-2026-000043187 · never reused
Internal UUID01a0ae7b-327c-7a99-8d9b-98ea27a38aa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043187
StatusPUBLIC

Content hashes

Canonical text28ccace9ccc66ee2741c547914dc28a0990f0ba00bc14653f7f36609d86c6a03
Markdown32e4b20ece4c4a5153b1b2897ab190e3614728fc5a0ad6a6a1d92aba6e32f315
PDF
Publication page3c5b76db6ed3ed4c52b26cdbe80b0e989b3862c285483c891d3f66789cabb887
Manifest0855430a26a8187bb5766ba11c3c2eaeeff6a56f262af124beacf05df440b605

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
Signature0Ew6bF2eHmj9ggOI6A1zVJb3fyDm7vkLAX0YRVh22Sw3A8qp2vlN7kGansHiovb5Bv1p+Y13RBgHJ7j1xszzAw==
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

2026-09-17T11:13:38.461902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043187
observed 3c5b76db6ed3ed4c52b26cdbe80b0e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.440837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043187/manifest.json
observed 0855430a26a8187bb5766ba11c3c2eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.420414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043187/publication.md
observed 32e4b20ece4c4a5153b1b2897ab190e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.400958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043187/publication.txt
observed 28ccace9ccc66ee2741c547914dc28a0...
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.