OpenTechnical

OT-2026-000043603

Publication integrity record

Four cup vacuum gripper, four 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-2026-000043603) never changes.

Identity and time

Publication numberOT-2026-000043603 · never reused
Internal UUID01a0ae7b-92d0-771c-ba6d-9a73f75ccc52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043603
StatusPUBLIC

Content hashes

Canonical text24872f61aebda1cd89a3e443243a7f1aa0df6e37829e0ba7885b2b63687cf279
Markdown4a2741a0381c25bd51701984f09d2c44220ddbc622a1f15f5de0a49bf4df5bb5
PDF
Publication page0e229ece583fe03a4c3773c2cc65b9baaad1d6780263353c5797affa1161142a
Manifest72c473bcccc36355f9c21ee9533b82cfb724a729bde05b9fc0c3314410401e69

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
SignaturejjmPF0/TTjPs8RSuV2jMQlZsXgirr0q0eNpEmsmIyZagVFaw5YvxWQNwcTxMDW65x9h8ZYnXPP0Ds5rD/BNdBQ==
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

2026-09-17T11:13:00.608981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043603
observed 0e229ece583fe03a4c3773c2cc65b9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.589639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043603/manifest.json
observed 72c473bcccc36355f9c21ee9533b82cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.570637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043603/publication.md
observed 4a2741a0381c25bd51701984f09d2c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.550778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043603/publication.txt
observed 24872f61aebda1cd89a3e443243a7f1a...
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.