Pith Number

pith:4A6EFRKH

pith:2016:4A6EFRKHEHOLCIS63EDCWTTB2C

not attested not anchored not stored refs pending

The infochemical core

Antoni Hern\'andez-Fern\'andez, Ramon Ferrer-i-Cancho

arxiv:1610.05654 v2 · 2016-10-18 · q-bio.NC · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4A6EFRKHEHOLCIS63EDCWTTB2C}

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	2026-05-18T01:01:30.729928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e03c42c54721dcb1225ed9062b4e61d0b07f2681e6fb1e5d83ad1d7396ffa7c7

Aliases

arxiv: 1610.05654 · arxiv_version: 1610.05654v2 · doi: 10.48550/arxiv.1610.05654 · pith_short_12: 4A6EFRKHEHOL · pith_short_16: 4A6EFRKHEHOLCIS6 · pith_short_8: 4A6EFRKH

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/4A6EFRKHEHOLCIS63EDCWTTB2C \
  | 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: e03c42c54721dcb1225ed9062b4e61d0b07f2681e6fb1e5d83ad1d7396ffa7c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dc5ff1c97343013e6751ac34029c3f0b7a1e269a79890c53d8639b88977235b",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2016-10-18T14:53:20Z",
    "title_canon_sha256": "a93ad7ff700d9680764d3220e761c7c6baccb3085e6ecb51a5891f2917be08ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05654",
    "kind": "arxiv",
    "version": 2
  }
}