Pith Number

pith:5DX6EGYM

pith:1995:5DX6EGYM5NNDBKGM5NMBLGTGPO

not attested not anchored not stored refs pending

How birds fly together: Long-range order in a two-dimensional dynamical XY model

John Toner(IBM T. J. Watson Research Center, Univ. of Oregon), Yuhai Tu (IBM T. J. Watson Research Center)

arxiv:adap-org/9506001 v1 · 1995-06-08 · adap-org · cond-mat · nlin.AO · nlin.PS · patt-sol

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DX6EGYM5NNDBKGM5NMBLGTGPO}

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	2026-05-18T01:37:43.313484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8efe21b0ceb5a30a8cceb58159a667ba8bd0b7703d168b5953aa61829464352

Aliases

arxiv: adap-org/9506001 · arxiv_version: adap-org/9506001v1 · doi: 10.48550/arxiv.adap-org/9506001 · pith_short_12: 5DX6EGYM5NND · pith_short_16: 5DX6EGYM5NNDBKGM · pith_short_8: 5DX6EGYM

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/5DX6EGYM5NNDBKGM5NMBLGTGPO \
  | 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: e8efe21b0ceb5a30a8cceb58159a667ba8bd0b7703d168b5953aa61829464352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e64a54da5152469e846b42c47bdf7327cf4a5bf301d5111cf9a94f7839dd167",
    "cross_cats_sorted": [
      "cond-mat",
      "nlin.AO",
      "nlin.PS",
      "patt-sol"
    ],
    "license": "",
    "primary_cat": "adap-org",
    "submitted_at": "1995-06-08T22:35:50Z",
    "title_canon_sha256": "395b849e5ba0fa69589dfccf2391e8f8f24bb271ba8f125858ff549ac214d211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "adap-org/9506001",
    "kind": "arxiv",
    "version": 1
  }
}