Pith Number

pith:LPFR33DS

pith:2013:LPFR33DSZQAP2JBWCGX3LIJFIY

not attested not anchored not stored refs pending

Waterfalls around protostars: Infall motions towards Class 0/I envelopes as probed by water

E.F. van Dishoeck, J.C. Mottram, L.E. Kristensen, M.R. Hogerheijde, M. Schmalzl, R. Visser, S. Bruderer

arxiv:1308.5119 v3 · 2013-08-23 · astro-ph.GA · astro-ph.IM · astro-ph.SR

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	2026-05-18T01:47:59.214620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bcb1dec72cc00fd243611afb5a1254634f1f7fa1f1f4724a3d82b94bba12109

Aliases

arxiv: 1308.5119 · arxiv_version: 1308.5119v3 · doi: 10.48550/arxiv.1308.5119 · pith_short_12: LPFR33DSZQAP · pith_short_16: LPFR33DSZQAP2JBW · pith_short_8: LPFR33DS

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/LPFR33DSZQAP2JBWCGX3LIJFIY \
  | 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: 5bcb1dec72cc00fd243611afb5a1254634f1f7fa1f1f4724a3d82b94bba12109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6288f3f7fcd03de9f29dad1451c3a79f57f6ab0ddac44c2b83f8d79a2dc74f1f",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-23T13:03:06Z",
    "title_canon_sha256": "0feb0cecd559840d3d1330b3709248ac8226dfa0d72297a5f0c7eec8a021610c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5119",
    "kind": "arxiv",
    "version": 3
  }
}