Pith Number

pith:NXNHH6RX

pith:2008:NXNHH6RX2UJKRG6UAZYTV5J36H

not attested not anchored not stored refs pending

Star Formation from Spitzer (Lyman) to Spitzer (Space Telescope) and Beyond

Joao Alves, Virginia Trimble

arxiv:0811.3205 v1 · 2008-11-19 · 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{NXNHH6RX2UJKRG6UAZYTV5J36H}

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	2026-05-18T01:55:40.024771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dda73fa37d512a89bd406713af53bf1cb89aa1933aa923b8bfbf7634f561792

Aliases

arxiv: 0811.3205 · arxiv_version: 0811.3205v1 · doi: 10.48550/arxiv.0811.3205 · pith_short_12: NXNHH6RX2UJK · pith_short_16: NXNHH6RX2UJKRG6U · pith_short_8: NXNHH6RX

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/NXNHH6RX2UJKRG6UAZYTV5J36H \
  | 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: 6dda73fa37d512a89bd406713af53bf1cb89aa1933aa923b8bfbf7634f561792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe4415f8e8a3848da05be69b0120ebfd50b72c941eb7f5eb00e45379adb964ae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-19T21:00:38Z",
    "title_canon_sha256": "a603d6c1b56cd99ac687c3bd334bdd75ebcdcebc96dd25451305a8aa77e6b51b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3205",
    "kind": "arxiv",
    "version": 1
  }
}