Pith Number

pith:6YUINSJD

pith:2005:6YUINSJDU7ZNDMI2H3BF57OMPN

not attested not anchored not stored refs pending

The Dust Depletion and Extinction of the GRB 020813 Afterglow

S. M. Fall (STScI), S. Savaglio (JHU)

arxiv:astro-ph/0506062 v1 · 2005-06-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YUINSJDU7ZNDMI2H3BF57OMPN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:36:29.947894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f62886c923a7f2d1b11a3ec25efdcc7b53d48b4e4238a6196956a694077e9fec

Aliases

arxiv: astro-ph/0506062 · arxiv_version: astro-ph/0506062v1 · doi: 10.48550/arxiv.astro-ph/0506062 · pith_short_12: 6YUINSJDU7ZN · pith_short_16: 6YUINSJDU7ZNDMI2 · pith_short_8: 6YUINSJD

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/6YUINSJDU7ZNDMI2H3BF57OMPN \
  | 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: f62886c923a7f2d1b11a3ec25efdcc7b53d48b4e4238a6196956a694077e9fec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2503a33177604364b4037e2cf8a4438e87134883eecd0cf6d72fb21ea6634076",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-02T15:54:14Z",
    "title_canon_sha256": "707c8877c7533cd5295286850fb20d1f87782dddcbf2e9fe5b0a9103281e1f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506062",
    "kind": "arxiv",
    "version": 1
  }
}