Pith Number

pith:ED67NPSP

pith:2014:ED67NPSPR53QOLCHCHY3FVEBWN

not attested not anchored not stored refs pending

Detection of a Light Echo from the Otherwise Normal SN 2007af

A. G. Riess, D. Drozdov, G. L. Bryngelson, J. Pearcy, L. M. Macri, M. D. Leising, P. A. Milne, P. M. Garnavich

arxiv:1410.8190 v1 · 2014-10-29 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ED67NPSPR53QOLCHCHY3FVEBWN}

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	2026-05-18T02:03:35.408309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20fdf6be4f8f77072c4711f1b2d481b35b92e498ccbf231e3c46ba90952112f9

Aliases

arxiv: 1410.8190 · arxiv_version: 1410.8190v1 · doi: 10.48550/arxiv.1410.8190 · pith_short_12: ED67NPSPR53Q · pith_short_16: ED67NPSPR53QOLCH · pith_short_8: ED67NPSP

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/ED67NPSPR53QOLCHCHY3FVEBWN \
  | 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: 20fdf6be4f8f77072c4711f1b2d481b35b92e498ccbf231e3c46ba90952112f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee4cecacf525153432a2abcc510d275b1851c59685399b288ad69a0800b81001",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-10-29T22:57:12Z",
    "title_canon_sha256": "44ee609ae6b225d7e13d060306fe4b6ead556310f6f5e904f83b2a57fb41a21c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8190",
    "kind": "arxiv",
    "version": 1
  }
}