Pith Number

pith:I6SJDGSO

pith:2018:I6SJDGSODEZJDLT3YHIRIKWTVG

not attested not anchored not stored refs pending

The first orbital period of a very bright and fast Nova in M31: M31N 2013-01b

Andrea De Luca, Domitilla de Martino, GianLuca Israel, Guillermo Rodriguez, Lara Sidoli, Martino Marelli, Ruben Salvaterra, Sandro Mereghetti

arxiv:1808.06955 v1 · 2018-08-21 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6SJDGSODEZJDLT3YHIRIKWTVG}

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	2026-05-18T00:01:28.671939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a4919a4e193291ae7bc1d1142ad3a99cce8bed0f10dd59adb9fd1526a80194

Aliases

arxiv: 1808.06955 · arxiv_version: 1808.06955v1 · doi: 10.48550/arxiv.1808.06955 · pith_short_12: I6SJDGSODEZJ · pith_short_16: I6SJDGSODEZJDLT3 · pith_short_8: I6SJDGSO

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/I6SJDGSODEZJDLT3YHIRIKWTVG \
  | 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: 47a4919a4e193291ae7bc1d1142ad3a99cce8bed0f10dd59adb9fd1526a80194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35e911c1c04ce64221b09ff618bdd03cb8d57c2464ad0110d7581545941e4165",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-08-21T15:04:54Z",
    "title_canon_sha256": "606021a72a6ff3e552afd20674018be006da6ebafb7858e43d6a63f43886e826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06955",
    "kind": "arxiv",
    "version": 1
  }
}