Pith Number

pith:EAVPYJFU

pith:2007:EAVPYJFUOP454VB5WLC64TLQKQ

not attested not anchored not stored refs pending

Reachability and recoverability of sink nodes in growing acyclic directed networks

Valmir C. Barbosa

arxiv:0706.3805 v1 · 2007-06-26 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAVPYJFUOP454VB5WLC64TLQKQ}

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	2026-05-18T04:09:16.013604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

202afc24b473f9de543db2c5ee4d70543db00696a0beeda818545b411549255f

Aliases

arxiv: 0706.3805 · arxiv_version: 0706.3805v1 · doi: 10.48550/arxiv.0706.3805 · pith_short_12: EAVPYJFUOP45 · pith_short_16: EAVPYJFUOP454VB5 · pith_short_8: EAVPYJFU

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/EAVPYJFUOP454VB5WLC64TLQKQ \
  | 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: 202afc24b473f9de543db2c5ee4d70543db00696a0beeda818545b411549255f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd80cea404d32c63633d2b2562cf7e6385d4c3b56b4b519f3d8de1d2e0f0c4fa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2007-06-26T12:03:52Z",
    "title_canon_sha256": "6925cd0f3b727ada00e63e582a414a6a50ecbfd8240863f5f03443feea9144a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.3805",
    "kind": "arxiv",
    "version": 1
  }
}