Pith Number

pith:JDLKJ2LB

pith:2004:JDLKJ2LB2CAFQCKXKX2QRKQPXO

not attested not anchored not stored refs pending

Probing the Early Stages of Low-Mass Star Formation in LDN 1689N: Dust and Water in IRAS 16293-2422A, B, and E

Ewine F. van Dishoeck, Floris F. S. van der Tak, Frank Schaefer, Gary J. Melnick, Gert de Lange, Goeran Sandell, Matt L. N. Ashby, Michiel R. Hogerheijde, Peter van der Wal, Ronald Stark, Sara C. Beck

arxiv:astro-ph/0402604 v1 · 2004-02-25 · astro-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{JDLKJ2LB2CAFQCKXKX2QRKQPXO}

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	2026-07-04T16:43:07.083442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48d6a4e961d08058095755f508aa0fbba59ad77084cb3f2685f6814d7ac79c39

Aliases

arxiv: astro-ph/0402604 · arxiv_version: astro-ph/0402604v1 · doi: 10.48550/arxiv.astro-ph/0402604 · pith_short_12: JDLKJ2LB2CAF · pith_short_16: JDLKJ2LB2CAFQCKX · pith_short_8: JDLKJ2LB

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/JDLKJ2LB2CAFQCKXKX2QRKQPXO \
  | 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: 48d6a4e961d08058095755f508aa0fbba59ad77084cb3f2685f6814d7ac79c39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85725eb199637c470b36a037e479528f7dd2c6ab9e4288ee6fe1ad8a38de6c67",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-25T19:25:16Z",
    "title_canon_sha256": "a328d96c4b81e27fae1724851b84d585842968c092de41a63ad270a4d5016c89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402604",
    "kind": "arxiv",
    "version": 1
  }
}