Pith Number

pith:TDVDY7FR

pith:2009:TDVDY7FR234TEPKZQDLV37T2S6

not attested not anchored not stored refs pending

Star Formation Properties of Isolated Blue Compact Galaxies

Adi Zitrin, Benny Bilenko, Noah Brosch

arxiv:0907.0833 v1 · 2009-07-05 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDVDY7FR234TEPKZQDLV37T2S6}

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	2026-05-18T03:19:12.114044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98ea3c7cb1d6f9323d5980d75dfe7a97bf72b0988592c2c2ebc91c2e8d49b408

Aliases

arxiv: 0907.0833 · arxiv_version: 0907.0833v1 · doi: 10.48550/arxiv.0907.0833 · pith_short_12: TDVDY7FR234T · pith_short_16: TDVDY7FR234TEPKZ · pith_short_8: TDVDY7FR

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/TDVDY7FR234TEPKZQDLV37T2S6 \
  | 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: 98ea3c7cb1d6f9323d5980d75dfe7a97bf72b0988592c2c2ebc91c2e8d49b408

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1bf01930f77309a0875fb36c6b2291d13f895ada9b3caeb2aa531f7a87fd795",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-05T08:45:04Z",
    "title_canon_sha256": "8236fa398698c432bab98c7d79a9bdfa3760cad2e113b8f2f1b9b1545bc3cc81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0833",
    "kind": "arxiv",
    "version": 1
  }
}