Pith Number

pith:ETR4ZLYW

pith:2008:ETR4ZLYWMJRCZYW4L2IN6FXSVM

not attested not anchored not stored refs pending

Quenching of Star Formation

C. Jakob Walcher, Gabriella De Lucia, Gerard Lemson, Jeremy Blaizot, Peter H. Johansson, Stephane Charlot, Tamas Budavari, Vivienne Wild

arxiv:0811.1174 v1 · 2008-11-07 · 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{ETR4ZLYWMJRCZYW4L2IN6FXSVM}

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	2026-05-18T04:09:04.049174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e3ccaf1662622ce2dc5e90df16f2ab11ee6e3397fdd0f9174670c323784196

Aliases

arxiv: 0811.1174 · arxiv_version: 0811.1174v1 · doi: 10.48550/arxiv.0811.1174 · pith_short_12: ETR4ZLYWMJRC · pith_short_16: ETR4ZLYWMJRCZYW4 · pith_short_8: ETR4ZLYW

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/ETR4ZLYWMJRCZYW4L2IN6FXSVM \
  | 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: 24e3ccaf1662622ce2dc5e90df16f2ab11ee6e3397fdd0f9174670c323784196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e1613d4b7eb5d6f0cce4239423f13e2fb7e8de518fe2f2cb8d4a69c6bad970",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-07T16:44:24Z",
    "title_canon_sha256": "7d7e6613308a741d3f9a3cb27ef7d2b51a9ca55d95983580d78cf40a0e4c571d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1174",
    "kind": "arxiv",
    "version": 1
  }
}