Pith Number

pith:6PR7I2CT

pith:2009:6PR7I2CTBELRVDFQDFO755YX7E

not attested not anchored not stored refs pending

Large prebiotic molecules in space: photo-physics of acetic acid and its isomers

Cesare Cecchi-Pestellini, Fabrizio Puletti, Giacomo Mulas, Giuliano Malloci

arxiv:0911.3240 v1 · 2009-11-17 · astro-ph.SR · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PR7I2CTBELRVDFQDFO755YX7E}

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	2026-05-18T02:10:46.885197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3e3f4685309171a8cb0195dfef717f914ad8dfe05250974435b4301086083e0

Aliases

arxiv: 0911.3240 · arxiv_version: 0911.3240v1 · doi: 10.48550/arxiv.0911.3240 · pith_short_12: 6PR7I2CTBELR · pith_short_16: 6PR7I2CTBELRVDFQ · pith_short_8: 6PR7I2CT

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/6PR7I2CTBELRVDFQDFO755YX7E \
  | 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: f3e3f4685309171a8cb0195dfef717f914ad8dfe05250974435b4301086083e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9c04726462b1e58738ce4163d79735c01252533b1b5b7765503a2c6876f542e",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-17T09:03:32Z",
    "title_canon_sha256": "6091240a1548ce3fdda9bd609817a9ecc27728b552b6699d0343391cb615f4c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3240",
    "kind": "arxiv",
    "version": 1
  }
}