Pith Number

pith:6DFNU3CL

pith:2013:6DFNU3CL6OZO4WWEGSNSDR7YYF

not attested not anchored not stored refs pending

Nova Centauri 2013 broad maximum from visual observations calibrated with same altitude stars

Costantino Sigismondi

arxiv:1312.4848 v1 · 2013-12-17 · astro-ph.SR · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6DFNU3CL6OZO4WWEGSNSDR7YYF}

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	2026-05-18T03:04:23.008985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0cada6c4bf3b2ee5ac4349b21c7f8c151cbd28b731f96922103582dce8ffb79

Aliases

arxiv: 1312.4848 · arxiv_version: 1312.4848v1 · doi: 10.48550/arxiv.1312.4848 · pith_short_12: 6DFNU3CL6OZO · pith_short_16: 6DFNU3CL6OZO4WWE · pith_short_8: 6DFNU3CL

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/6DFNU3CL6OZO4WWEGSNSDR7YYF \
  | 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: f0cada6c4bf3b2ee5ac4349b21c7f8c151cbd28b731f96922103582dce8ffb79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27c6eb2f3942f5595e6dc5a18fd4de0ee80f995e80ed25beefcdaab5cde3b7e3",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-17T20:58:57Z",
    "title_canon_sha256": "cccde876a50267916e2a887de3e5ae81f9d6d5f078d59a67186285a69e1f7702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4848",
    "kind": "arxiv",
    "version": 1
  }
}