Pith Number

pith:FE6OKBQ7

pith:2012:FE6OKBQ7LY5LS2WBHSFFOEU7IK

not attested not anchored not stored refs pending

Discovery of X-ray Emission in the Old Classical Nova DK Lacertae

D. Takei, J. J. Drake, T. Sakamoto

arxiv:1211.0276 v1 · 2012-11-01 · astro-ph.HE · 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{FE6OKBQ7LY5LS2WBHSFFOEU7IK}

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	2026-05-18T01:53:26.872366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

293ce5061f5e3ab96ac13c8a57129f42be8b30c9651d5dd3d4af3d2147cc4b7b

Aliases

arxiv: 1211.0276 · arxiv_version: 1211.0276v1 · doi: 10.48550/arxiv.1211.0276 · pith_short_12: FE6OKBQ7LY5L · pith_short_16: FE6OKBQ7LY5LS2WB · pith_short_8: FE6OKBQ7

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/FE6OKBQ7LY5LS2WBHSFFOEU7IK \
  | 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: 293ce5061f5e3ab96ac13c8a57129f42be8b30c9651d5dd3d4af3d2147cc4b7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b246613153d18b212eb1fcb7a74decf85ab4153c8037ac7701d2cf8d59d77a8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-01T20:00:01Z",
    "title_canon_sha256": "c315e851e88aed7a91fd9312063faba7ed62601d2e21d465813012f805f3c998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0276",
    "kind": "arxiv",
    "version": 1
  }
}