Pith Number

pith:PTIOXKFQ

pith:2011:PTIOXKFQFGNNY6XTFG3R4M7VZB

not attested not anchored not stored refs pending

Emergence of information transmission in a prebiotic RNA reactor

B. Obermayer, D. Braun, H. Krammer, U. Gerland

arxiv:1105.3758 v1 · 2011-05-18 · q-bio.BM · physics.bio-ph · 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{PTIOXKFQFGNNY6XTFG3R4M7VZB}

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	2026-05-18T04:19:11.847991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd0eba8b0299adc7af329b71e33f5c847d522b902f488d297d8853e26c473a2

Aliases

arxiv: 1105.3758 · arxiv_version: 1105.3758v1 · doi: 10.48550/arxiv.1105.3758 · pith_short_12: PTIOXKFQFGNN · pith_short_16: PTIOXKFQFGNNY6XT · pith_short_8: PTIOXKFQ

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/PTIOXKFQFGNNY6XTFG3R4M7VZB \
  | 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: 7cd0eba8b0299adc7af329b71e33f5c847d522b902f488d297d8853e26c473a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c29cd83f85f8d8f0c08e80a4254b237bcabbcd4694d438b7b92a1886f2a2da37",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2011-05-18T22:21:59Z",
    "title_canon_sha256": "c6f5d7229e6f9c23beae51e02681f985b275abb44daca3d26fadb647460e17b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3758",
    "kind": "arxiv",
    "version": 1
  }
}