Pith Number

pith:BNQETLJQ

pith:2015:BNQETLJQ5HNSKFGF4FBJAAARUP

not attested not anchored not stored refs pending

A Study of Mid-Infrared Sources that Dramatically Brightened

Hideyuki Izumiura, Hiroki Onozato, Kenji Ono, Kenshi Yanagisawa, Misato Fukagawa, Noriyuki Matsunaga, Yoshifusa Ita, Yoshikazu Nakada

arxiv:1501.05721 v1 · 2015-01-23 · 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{BNQETLJQ5HNSKFGF4FBJAAARUP}

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	2026-05-18T01:46:22.006307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b6049ad30e9db2514c5e142900011a3de56cd50c9ea91244a740ed7db63ef5c

Aliases

arxiv: 1501.05721 · arxiv_version: 1501.05721v1 · doi: 10.48550/arxiv.1501.05721 · pith_short_12: BNQETLJQ5HNS · pith_short_16: BNQETLJQ5HNSKFGF · pith_short_8: BNQETLJQ

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/BNQETLJQ5HNSKFGF4FBJAAARUP \
  | 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: 0b6049ad30e9db2514c5e142900011a3de56cd50c9ea91244a740ed7db63ef5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c9ece9aa4691261a4ce97cbc2c232e47e827643dfbe3c2317d657c6521e7c8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-23T06:40:38Z",
    "title_canon_sha256": "432a649b8effa6e36fb5a1fde2b9ad3587117f92c4a381278a577a79d03c5f58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05721",
    "kind": "arxiv",
    "version": 1
  }
}