Pith Number

pith:PYY7RWWO

pith:2009:PYY7RWWOSODW7TGM7UJWXFGI3J

not attested not anchored not stored refs pending

The circumstellar disc in the Bok globule CB 26: Multi-wavelength observations and modelling of the dust disc and envelope

C.-E. McCabe, C. Pinte, D. L. Padgett, F. Menard, G. Duchene, J.-H. Chen, J. Sauter, K. Pontoppidan, K. R. Stapelfeldt, M. Dunham, R. Launhardt, S. Wolf, T.-L. Bourke

arxiv:0907.1074 v1 · 2009-07-06 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYY7RWWOSODW7TGM7UJWXFGI3J}

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	2026-05-18T02:13:04.949018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e31f8dace93876fccccfd136b94c8da757c818b796163f86cc7929e5a2c9ca9

Aliases

arxiv: 0907.1074 · arxiv_version: 0907.1074v1 · doi: 10.48550/arxiv.0907.1074 · pith_short_12: PYY7RWWOSODW · pith_short_16: PYY7RWWOSODW7TGM · pith_short_8: PYY7RWWO

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/PYY7RWWOSODW7TGM7UJWXFGI3J \
  | 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: 7e31f8dace93876fccccfd136b94c8da757c818b796163f86cc7929e5a2c9ca9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01b0e1caf37ad67a54320112acddad43e57df49c5bdac2b666c49f2d5a788f5e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-06T19:05:59Z",
    "title_canon_sha256": "e5a05b5b8cfab7799f32697ae7fc1479d39445fb12358c8e48f2bd9046a4c9a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1074",
    "kind": "arxiv",
    "version": 1
  }
}