Pith Number

pith:MZSSEDHK

pith:2008:MZSSEDHKOICFKP7O2ACVQAOM6S

not attested not anchored not stored refs pending

Molecular cloud chemistry and the importance of dielectronic recombination

D. W. Savin, E. Roueff, H. Kreckel, P. Bryans, V. Wakelam

arxiv:0809.4504 v1 · 2008-09-25 · astro-ph

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

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	2026-05-18T04:29:26.440337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6665220cea7204553feed0055801ccf4aae4084b3187d3a2d81bf80311b9f848

Aliases

arxiv: 0809.4504 · arxiv_version: 0809.4504v1 · doi: 10.48550/arxiv.0809.4504 · pith_short_12: MZSSEDHKOICF · pith_short_16: MZSSEDHKOICFKP7O · pith_short_8: MZSSEDHK

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/MZSSEDHKOICFKP7O2ACVQAOM6S \
  | 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: 6665220cea7204553feed0055801ccf4aae4084b3187d3a2d81bf80311b9f848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8974805de1d9564ce9e0fd57f1f55714f8caa801ab682e96ac6b6aad1bd0b4e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-25T21:16:53Z",
    "title_canon_sha256": "a7e23ee0e8fa84d97c3af553c956fb04af31263ef655d8706b4a44a9379f4223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4504",
    "kind": "arxiv",
    "version": 1
  }
}