OpenTechnical

OT-2026-000045694

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000045694) never changes.

Identity and time

Publication numberOT-2026-000045694 · never reused
Internal UUID01a0ae7d-8f04-7e27-a90e-70e6b3846712 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045694
StatusPUBLIC

Content hashes

Canonical textddc2818fa726d89c3362a252a6c8558f2d8fe792488d63f3ef85d1e38c65fa86
Markdownb82260b394dfac2f88c849c0e7be9d9d4f43d96bf13dcbf54e26a9b06babb936
PDF
Publication page023a1f952e70163873e67aed01910998856979b64b73264067d9882219ac14d9
Manifest3d335519ebbfb388f1a1db53460f78168805e52ca9aa670bb9f9eac48d2bc66b

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
SignatureUJfny5nrzIiTT+mxsI+kCcBnlNG70PaUn9hD+XoQQq1+KK19XMWQ7VR4+Ejt55s/s5pdZ9fiE97jbudXZT46Cg==
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

2026-09-17T11:09:29.907104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045694
observed 023a1f952e70163873e67aed01910998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.890148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045694/manifest.json
observed 3d335519ebbfb388f1a1db53460f7816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.872533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045694/publication.md
observed b82260b394dfac2f88c849c0e7be9d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.854626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045694/publication.txt
observed ddc2818fa726d89c3362a252a6c8558f...
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.