Pith Number

pith:BWWOFMOT

pith:2008:BWWOFMOT6YOMZBA6DXDFRVRQEG

not attested not anchored not stored refs pending

GRB optical afterglow and redshift selection effects: The learning curve effect at work

D.M. Coward

arxiv:0811.3443 v1 · 2008-11-20 · astro-ph

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T04:22:49.044195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dace2b1d3f61ccc841e1dc658d6302199007c3e2eb80f7a1533626baa3740d7

Aliases

arxiv: 0811.3443 · arxiv_version: 0811.3443v1 · doi: 10.48550/arxiv.0811.3443

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/BWWOFMOT6YOMZBA6DXDFRVRQEG \
  | 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: 0dace2b1d3f61ccc841e1dc658d6302199007c3e2eb80f7a1533626baa3740d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e63ef345328a0f4e0eca7d31dc511f4765d65fe985656492161691ad6443a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-20T23:58:52Z",
    "title_canon_sha256": "a07c0c83e5a58a484c6f41ff6f5db15b646bd76fd0e3621e4d6dd8299ef7eb42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3443",
    "kind": "arxiv",
    "version": 1
  }
}