Pith. sign in
Pith Number

pith:NQ6TPJAS

pith:2005:NQ6TPJASPLHISK6B7X74BPTFYN
not attested not anchored not stored refs pending

Evolutionary Signatures in the Formation of Low-Mass Protostars

Chadwick H. Young, Neal J. Evans II

arxiv:astro-ph/0503456 v1 · 2005-03-21 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NQ6TPJASPLHISK6B7X74BPTFYN}

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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 2026-07-04T16:51:02.781042Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6c3d37a4127ace892bc1fdffc0be65c3774dd14fbeb798a3587ca961e028c714

Aliases

arxiv: astro-ph/0503456 · arxiv_version: astro-ph/0503456v1 · doi: 10.48550/arxiv.astro-ph/0503456 · pith_short_12: NQ6TPJASPLHI · pith_short_16: NQ6TPJASPLHISK6B · pith_short_8: NQ6TPJAS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NQ6TPJASPLHISK6B7X74BPTFYN \
  | 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: 6c3d37a4127ace892bc1fdffc0be65c3774dd14fbeb798a3587ca961e028c714
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "32b5f3dbf189e22cd7f8b7201465d6ea3c76e75b1fe7a5a8f78edd15ec655a0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-21T21:11:53Z",
    "title_canon_sha256": "244fa620e7ea61c220b980e56599362c4843b67f96c34bbee7cf57ee21517240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503456",
    "kind": "arxiv",
    "version": 1
  }
}