Pith Number

pith:HPFXRYXZ

pith:2017:HPFXRYXZIRXLJSOW22LOYFUNYJ

not attested not anchored not stored refs pending

Group chasing tactics: how to catch a faster prey?

Csaba Vir\'agh, G\'abor V\'as\'arhelyi, Mil\'an Janosov, Tam\'as Vicsek

arxiv:1701.00284 v2 · 2017-01-01 · physics.bio-ph · q-bio.PE · stat.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{HPFXRYXZIRXLJSOW22LOYFUNYJ}

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	2026-05-18T00:43:55.943279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bcb78e2f9446eb4c9d6d696ec168dc2653d7c6a932d2fa329068314a4bb8c3e

Aliases

arxiv: 1701.00284 · arxiv_version: 1701.00284v2 · doi: 10.48550/arxiv.1701.00284 · pith_short_12: HPFXRYXZIRXL · pith_short_16: HPFXRYXZIRXLJSOW · pith_short_8: HPFXRYXZ

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/HPFXRYXZIRXLJSOW22LOYFUNYJ \
  | 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: 3bcb78e2f9446eb4c9d6d696ec168dc2653d7c6a932d2fa329068314a4bb8c3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def327c5ae5600b9e37694315a8612dcfcc10087290f2b61e679eec7c5f0c574",
    "cross_cats_sorted": [
      "q-bio.PE",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2017-01-01T20:01:52Z",
    "title_canon_sha256": "5e96e2b98a396805809e9bdfab89550216b4e5b0be72d892382dc1b976522761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00284",
    "kind": "arxiv",
    "version": 2
  }
}