Pith Number

pith:7MEK7BFJ

pith:2014:7MEK7BFJDXQ3BI6KQ2VTY6SW7H

not attested not anchored not stored refs pending

Inverse problem on a tree-shaped network

Lucie Baudouin (LAAS), Masahiro Yamamoto

arxiv:1407.5566 v1 · 2014-07-21 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MEK7BFJDXQ3BI6KQ2VTY6SW7H}

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	2026-05-18T02:47:13.714759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb08af84a91de1b0a3ca86ab3c7a56f9f29048fa5fa249e390fbef919669a2cd

Aliases

arxiv: 1407.5566 · arxiv_version: 1407.5566v1 · doi: 10.48550/arxiv.1407.5566 · pith_short_12: 7MEK7BFJDXQ3 · pith_short_16: 7MEK7BFJDXQ3BI6K · pith_short_8: 7MEK7BFJ

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/7MEK7BFJDXQ3BI6KQ2VTY6SW7H \
  | 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: fb08af84a91de1b0a3ca86ab3c7a56f9f29048fa5fa249e390fbef919669a2cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87eb9e06afc83fed32b14b4aa7ec8e75aa5a75fdf4228ecfb4def62c3aa59ed8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-07-21T16:51:46Z",
    "title_canon_sha256": "5c9bf97e3b8f778facf8d46068745587ee209011bdbbee40fe167ee48484c74f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5566",
    "kind": "arxiv",
    "version": 1
  }
}