Pith Number

pith:VXVKD3UP

pith:2010:VXVKD3UP6BSLKQVXW7XRVODKJC

not attested not anchored not stored refs pending

Empirical Delay Time Distributions of Type Ia Supernovae From The Extended GOODS/HST Supernova Survey

Adam G. Riess, Louis-Gregory Strolger, Tomas Dahlen

arxiv:1002.2494 v1 · 2010-02-12 · 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{VXVKD3UP6BSLKQVXW7XRVODKJC}

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	2026-05-18T02:09:08.943043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adeaa1ee8ff064b542b7b7ef1ab86a489c2c820ffda479a1f0b9cd0ed1ca0939

Aliases

arxiv: 1002.2494 · arxiv_version: 1002.2494v1 · doi: 10.48550/arxiv.1002.2494 · pith_short_12: VXVKD3UP6BSL · pith_short_16: VXVKD3UP6BSLKQVX · pith_short_8: VXVKD3UP

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/VXVKD3UP6BSLKQVXW7XRVODKJC \
  | 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: adeaa1ee8ff064b542b7b7ef1ab86a489c2c820ffda479a1f0b9cd0ed1ca0939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53b2d120adf383005b13842e165f9d6464f2b220421d84361448075f4ffc5bfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-12T08:08:06Z",
    "title_canon_sha256": "cdc5ac484d2190d339be2337818585f94a32000e372d599cc7e9d31991780ad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2494",
    "kind": "arxiv",
    "version": 1
  }
}