Pith Number

pith:DGFNFMRT

pith:2009:DGFNFMRTNV7P7ONWCIBUKUI5UE

not attested not anchored not stored refs pending

Stellar sources of dust in the high redshift Universe

Anja C. Andersen, Raffaella Schneider, Rosa Valiante, Simone Bianchi

arxiv:0905.1691 v1 · 2009-05-11 · 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{DGFNFMRTNV7P7ONWCIBUKUI5UE}

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	2026-05-18T02:13:45.799576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

198ad2b2336d7effb9b6120345511da10573f06429f40a17b0e2c8314cf6063e

Aliases

arxiv: 0905.1691 · arxiv_version: 0905.1691v1 · doi: 10.48550/arxiv.0905.1691 · pith_short_12: DGFNFMRTNV7P · pith_short_16: DGFNFMRTNV7P7ONW · pith_short_8: DGFNFMRT

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/DGFNFMRTNV7P7ONWCIBUKUI5UE \
  | 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: 198ad2b2336d7effb9b6120345511da10573f06429f40a17b0e2c8314cf6063e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c75fb973379958542572d02c0c5c55d19a68a5d91ea828d2f7b81a06242214b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-11T20:00:56Z",
    "title_canon_sha256": "10df76f3c1a253249b51823ffd28f12b6e3cde87cfed557a351ea15f3adae587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1691",
    "kind": "arxiv",
    "version": 1
  }
}