Pith Number

pith:TQYP4WMW

pith:2015:TQYP4WMWVHFAVWDVK6TFJS2ANQ

not attested not anchored not stored refs pending

Supercal: Cross-Calibration of Multiple Photometric Systems to Improve Cosmological Measurements with Type Ia Supernovae

A. G. Riess, A. Rest, C. Tang, C. W. Stubbs, D. Finkbeiner, D. Scolnic, E. A. Magnier, E. Schlafly, H. Flewelling, K. C. Chambers, K. W. Hodapp, M. E. Huber, N. Kaiser, N. Metcalfe, P. W. Draper, R. J. Foley, R. P. Kudritzki, S. Casertano, W. S. Burgett

arxiv:1508.05361 v2 · 2015-08-17 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQYP4WMWVHFAVWDVK6TFJS2ANQ}

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	2026-05-18T01:23:55.690000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c30fe5996a9ca0ad87557a654cb406c3924aba305907cff74ba2b53e5ff444b

Aliases

arxiv: 1508.05361 · arxiv_version: 1508.05361v2 · doi: 10.48550/arxiv.1508.05361 · pith_short_12: TQYP4WMWVHFA · pith_short_16: TQYP4WMWVHFAVWDV · pith_short_8: TQYP4WMW

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/TQYP4WMWVHFAVWDVK6TFJS2ANQ \
  | 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: 9c30fe5996a9ca0ad87557a654cb406c3924aba305907cff74ba2b53e5ff444b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22ee704eaad0eba9d56e0726fecf78b2ebd503d28e697fd13152c5ed92025d2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-08-17T20:05:53Z",
    "title_canon_sha256": "cca30323b37a5dd0d3e5b0610e62aa834bc66505d5674318a5822da170de7236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05361",
    "kind": "arxiv",
    "version": 2
  }
}