Pith Number

pith:B2RHHXRF

pith:2012:B2RHHXRF6BIWGCLGJKJTQHWGKQ

not attested not anchored not stored refs pending

Five-Year Optical and Near Infrared Observations of the Extremely Slow Nova V1280 Scorpii

A. Arai, A. Tajitsu, H. Naito, H. Yamaoka, K. Kinugasa, K. Sadakane, M. Fujii, M. Kurita, M. Yamanaka, S. Mizoguchi, S. Narusawa, T. Iijima, T. Nagayama

arxiv:1203.6725 v1 · 2012-03-30 · 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{B2RHHXRF6BIWGCLGJKJTQHWGKQ}

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	2026-05-18T01:58:00.193070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ea273de25f0516309664a93381ec6540514f357fae70834047284e2f9d89f4e

Aliases

arxiv: 1203.6725 · arxiv_version: 1203.6725v1 · doi: 10.48550/arxiv.1203.6725 · pith_short_12: B2RHHXRF6BIW · pith_short_16: B2RHHXRF6BIWGCLG · pith_short_8: B2RHHXRF

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/B2RHHXRF6BIWGCLGJKJTQHWGKQ \
  | 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: 0ea273de25f0516309664a93381ec6540514f357fae70834047284e2f9d89f4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53a1e7ac89771417a4cf0470d998cafbb4cc7ca91db88a121f729116dc9f4f74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-30T07:26:08Z",
    "title_canon_sha256": "c26b2242bd1d38f06301eabd06d5206cc1ff108036e9d1ce4c4d570f7a8d4316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6725",
    "kind": "arxiv",
    "version": 1
  }
}