Pith Number

pith:QCYT2WV5

pith:2018:QCYT2WV5CBLXGMNPC237UPQNEQ

not attested not anchored not stored refs pending

Fundamental Concepts

Cosimo Bambi, Sourabh Nampalliwar

arxiv:1810.07032 v2 · 2018-10-16 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCYT2WV5CBLXGMNPC237UPQNEQ}

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	2026-07-05T01:27:16.922849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80b13d5abd10577331af16b7fa3e0d241be0f925b0e382b7db5ae20e4f3a5ec6

Aliases

arxiv: 1810.07032 · arxiv_version: 1810.07032v2 · doi: 10.48550/arxiv.1810.07032 · pith_short_12: QCYT2WV5CBLX · pith_short_16: QCYT2WV5CBLXGMNP · pith_short_8: QCYT2WV5

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/QCYT2WV5CBLXGMNPC237UPQNEQ \
  | 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: 80b13d5abd10577331af16b7fa3e0d241be0f925b0e382b7db5ae20e4f3a5ec6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "714cd276852c3ee3720d3030cce49bb83b52877c5e67fb207a0ea450d97efc9e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-16T14:26:18Z",
    "title_canon_sha256": "77b57edc3cf1e43a21009e607d856e1587e87c406647dfd65fb8d251bf8b3d20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07032",
    "kind": "arxiv",
    "version": 2
  }
}