Pith Number

pith:DGRY4SPL

pith:2012:DGRY4SPLUX3PMOTZXZMFRVIDXA

not attested not anchored not stored refs pending

Composite reverberation mapping

B. C. Kelly, E. A. Magnier, E. Berge, P. A. Price, P. Green, R. Chornock, S. Fine, S. M. Croom, T. Shanks, W. S. Burgett

arxiv:1205.1401 v1 · 2012-05-07 · 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{DGRY4SPLUX3PMOTZXZMFRVIDXA}

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	2026-05-18T01:57:37.275644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19a38e49eba5f6f63a79be5858d503b82cd3efd7c44553f0010925193fe1a6a0

Aliases

arxiv: 1205.1401 · arxiv_version: 1205.1401v1 · doi: 10.48550/arxiv.1205.1401 · pith_short_12: DGRY4SPLUX3P · pith_short_16: DGRY4SPLUX3PMOTZ · pith_short_8: DGRY4SPL

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/DGRY4SPLUX3PMOTZXZMFRVIDXA \
  | 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: 19a38e49eba5f6f63a79be5858d503b82cd3efd7c44553f0010925193fe1a6a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a8998e444339530f3a1dccb0525ba8cbceab6e470434053806df98dbdcc6f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-07T14:16:04Z",
    "title_canon_sha256": "9311ef426771e39dc611612e01f2331440aed9386bb8de447a1cea7ac220d159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1401",
    "kind": "arxiv",
    "version": 1
  }
}