Pith Number

pith:A3QODG3D

pith:2018:A3QODG3D3XMOQGAFTRQT6DRPY6

not attested not anchored not stored refs pending

Inverse source problem in a forced network

A. Hamdi, A. Knippel, J.G. Caputo

arxiv:1803.04895 v2 · 2018-03-13 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3QODG3D3XMOQGAFTRQT6DRPY6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:45:38.830039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e0e19b63ddd8e818059c613f0e2fc7926de30706fb1bb5209f5d6ac18b2b61

Aliases

arxiv: 1803.04895 · arxiv_version: 1803.04895v2 · doi: 10.48550/arxiv.1803.04895 · pith_short_12: A3QODG3D3XMO · pith_short_16: A3QODG3D3XMOQGAF · pith_short_8: A3QODG3D

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/A3QODG3D3XMOQGAFTRQT6DRPY6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 06e0e19b63ddd8e818059c613f0e2fc7926de30706fb1bb5209f5d6ac18b2b61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b32a977747aa62d2b1289104918ae09dbf3a0dc5ca15678ca893c311534dbcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-03-13T15:49:20Z",
    "title_canon_sha256": "758010cf80ef1b4003c594ef738a18d9333e4b5e623c7384b2233e2e4f01c751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04895",
    "kind": "arxiv",
    "version": 2
  }
}