Pith Number

pith:V6FGKZFV

pith:2009:V6FGKZFV4MN4TQHZFPX6EQBS3A

not attested not anchored not stored refs pending

A Spitzer Study of Asymptotic Giant Branch Stars. III. Dust Production and Gas Return in Local Group Dwarf Irregular Galaxies

Charles E. Woodward, Evan D. Skillman, Jacco Th. van Loon, Martha L. Boyer, Robert D. Gehrz

arxiv:0903.3871 v1 · 2009-03-23 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6FGKZFV4MN4TQHZFPX6EQBS3A}

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	2026-05-18T04:29:15.727425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8a6564b5e31bc9c0f92befe24032d81f18606ef030deea6184e77fb5e86fc7

Aliases

arxiv: 0903.3871 · arxiv_version: 0903.3871v1 · doi: 10.48550/arxiv.0903.3871 · pith_short_12: V6FGKZFV4MN4 · pith_short_16: V6FGKZFV4MN4TQHZ · pith_short_8: V6FGKZFV

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/V6FGKZFV4MN4TQHZFPX6EQBS3A \
  | 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: af8a6564b5e31bc9c0f92befe24032d81f18606ef030deea6184e77fb5e86fc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae311f403c4d9aff60ffec0e709799c17c0b817cee39108731cf9869091b8a23",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-23T15:38:29Z",
    "title_canon_sha256": "ead8e2650eaa03645e4bceb9f0e81db3f2d969459b31b2eec97c79ae607ff308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3871",
    "kind": "arxiv",
    "version": 1
  }
}