Pith Number

pith:Q34XSOHR

pith:2014:Q34XSOHRDEUYOMOJCNVCJTAZ2B

not attested not anchored not stored refs pending

BVRI Photometry of SN 2013ej in M74

Michael W. Richmond

arxiv:1405.7900 v2 · 2014-05-20 · astro-ph.HE · astro-ph.CO · 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{Q34XSOHRDEUYOMOJCNVCJTAZ2B}

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	2026-05-18T02:49:04.254727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f97938f119298731c9136a24cc19d06ed10bdbeaae64c3aa53045d8f6a779e

Aliases

arxiv: 1405.7900 · arxiv_version: 1405.7900v2 · doi: 10.48550/arxiv.1405.7900 · pith_short_12: Q34XSOHRDEUY · pith_short_16: Q34XSOHRDEUYOMOJ · pith_short_8: Q34XSOHR

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/Q34XSOHRDEUYOMOJCNVCJTAZ2B \
  | 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: 86f97938f119298731c9136a24cc19d06ed10bdbeaae64c3aa53045d8f6a779e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "159e00c7dfa0085e858311b646405dd32f79717cbb135e357eac1fd02c552519",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-05-20T15:52:11Z",
    "title_canon_sha256": "7b20644e01737e16add1f4e24fcaedcf43c498dd355b4c0717e4ed75575b8219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7900",
    "kind": "arxiv",
    "version": 2
  }
}