Pith Number

pith:SIUGIKT6

pith:2015:SIUGIKT6RLJPEXUYPVXN7XKQYG

not attested not anchored not stored refs pending

Emergence of self-reinforcing information bottlenecks in multilevel selection

Cameron Smith, Matthieu Laneuville, Nicholas Guttenberg

arxiv:1506.04611 v1 · 2015-06-15 · 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{SIUGIKT6RLJPEXUYPVXN7XKQYG}

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	2026-05-18T01:49:25.377826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9228642a7e8ad2f25e987d6edfdd50c1b20ac3250f297f6b026e6001d3011d7d

Aliases

arxiv: 1506.04611 · arxiv_version: 1506.04611v1 · doi: 10.48550/arxiv.1506.04611 · pith_short_12: SIUGIKT6RLJP · pith_short_16: SIUGIKT6RLJPEXUY · pith_short_8: SIUGIKT6

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/SIUGIKT6RLJPEXUYPVXN7XKQYG \
  | 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: 9228642a7e8ad2f25e987d6edfdd50c1b20ac3250f297f6b026e6001d3011d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a063934e7285b6346a8b60fec3f8bd6b1d43e3c054684ee13f15a5e8373bb9c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-06-15T14:29:50Z",
    "title_canon_sha256": "b56fa22f36940e203c8b22d6feae38599d3ae6c5bc71951f336ab021c3e9efe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04611",
    "kind": "arxiv",
    "version": 1
  }
}