OpenTechnical

OT-2026-000013362

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000013362) never changes.

Identity and time

Publication numberOT-2026-000013362 · never reused
Internal UUID01a0ae6d-6fca-7bb5-b71a-6e646f3a907d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013362
StatusPUBLIC

Content hashes

Canonical text4f1a9adfd104f299e9660e74736d4af4324baf5daecb8dc723d83476055382dd
Markdown4ba336a102e3ec51c95eb0c22d74439a91d5f15dec4757c179586da82dd4a313
PDF
Publication paged9337a3f519a11541186082607375bd60a307d98f62ee3a216ce09f60579e14c
Manifest729d0ee3e606810544e5d9432b19b164a3efb453760275faf9aa9abcc3726409

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
SignatureFiz2Ak/ocOxC9PjDKCNoLxrufvjXtS4JqsmgacSzfyy50I1m42ET6pwtp+aJkxDM+Fu3Vq0UxH1NVIBkji3bBg==
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

2026-09-17T12:09:48.997523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013362
observed d9337a3f519a11541186082607375bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.967884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013362/manifest.json
observed 729d0ee3e606810544e5d9432b19b164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.944643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013362/publication.md
observed 4ba336a102e3ec51c95eb0c22d74439a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.919607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013362/publication.txt
observed 4f1a9adfd104f299e9660e74736d4af4...
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.