Pith Number

pith:MSAFRV5T

pith:2013:MSAFRV5TS52JZ4X6PQDWES6STK

not attested not anchored not stored refs pending

Newton to Einstein - dust to dust

Cora Uhlemann, Michael Kopp, Thomas Haugg

arxiv:1312.3638 v3 · 2013-12-12 · astro-ph.CO · 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{MSAFRV5TS52JZ4X6PQDWES6STK}

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	2026-05-18T02:56:20.867699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

648058d7b397749cf2fe7c07624bd29a9057d65adab5d968be00ddbd7640f7eb

Aliases

arxiv: 1312.3638 · arxiv_version: 1312.3638v3 · doi: 10.48550/arxiv.1312.3638 · pith_short_12: MSAFRV5TS52J · pith_short_16: MSAFRV5TS52JZ4X6 · pith_short_8: MSAFRV5T

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/MSAFRV5TS52JZ4X6PQDWES6STK \
  | 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: 648058d7b397749cf2fe7c07624bd29a9057d65adab5d968be00ddbd7640f7eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3d6302cf8aea89daefe71eefb528f8eb1a7e6308cbdd4700f5d33b49434834f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-12T21:00:04Z",
    "title_canon_sha256": "ebd9431824865da715066b19757f18001a5524478a1966989f4485125f6a3d37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3638",
    "kind": "arxiv",
    "version": 3
  }
}