Pith Number

pith:EVVSWHW2

pith:2013:EVVSWHW2NHQMMSDW4DHICBXNRA

not attested not anchored not stored refs pending

Social aggregation in pea aphids: Experimental measurement and stochastic modeling

Andrew J. Bernoff, Benjamin Mayhew, Chad M. Topaz, Christa Nilsen, John Paige, Matthew Lam, Olivia Warner, Ryan Sutley

arxiv:1308.4917 v1 · 2013-08-16 · q-bio.QM · nlin.AO · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVVSWHW2NHQMMSDW4DHICBXNRA}

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	2026-05-18T02:57:08.726687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

256b2b1eda69e0c64876e0ce8106ed88294e1924cc256e7f5357a05cc5235aaf

Aliases

arxiv: 1308.4917 · arxiv_version: 1308.4917v1 · doi: 10.48550/arxiv.1308.4917 · pith_short_12: EVVSWHW2NHQM · pith_short_16: EVVSWHW2NHQMMSDW · pith_short_8: EVVSWHW2

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/EVVSWHW2NHQMMSDW4DHICBXNRA \
  | 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: 256b2b1eda69e0c64876e0ce8106ed88294e1924cc256e7f5357a05cc5235aaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d6acaa11faf9cf3455dab5a52bf71048f76030492698afb6dd480e8ed01676f",
    "cross_cats_sorted": [
      "nlin.AO",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2013-08-16T19:18:25Z",
    "title_canon_sha256": "d04741dcc58b257c38decc68265fd28cca3570a0aeaf2949c5e5aff27a673fa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4917",
    "kind": "arxiv",
    "version": 1
  }
}