Pith Number

pith:3TCQR4AS

pith:2012:3TCQR4ASZY5M4IASYVMVW2PN7Z

not attested not anchored not stored refs pending

Embeddings for Schwarzschild metric: classification and new results

A. A. Sheykin, S. A. Paston

arxiv:1202.1204 v1 · 2012-02-06 · 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{3TCQR4ASZY5M4IASYVMVW2PN7Z}

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	2026-05-18T03:57:26.544644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcc508f012ce3ace2012c5595b69edfe72fe29eb3c5f9f62f5cd22e55dab6b1b

Aliases

arxiv: 1202.1204 · arxiv_version: 1202.1204v1 · doi: 10.48550/arxiv.1202.1204 · pith_short_12: 3TCQR4ASZY5M · pith_short_16: 3TCQR4ASZY5M4IAS · pith_short_8: 3TCQR4AS

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/3TCQR4ASZY5M4IASYVMVW2PN7Z \
  | 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: dcc508f012ce3ace2012c5595b69edfe72fe29eb3c5f9f62f5cd22e55dab6b1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5844b00aa62d8c5f100c31d9882ca0c7320f4ecdeabecdfc7f1a7ae940d291f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-06T17:03:38Z",
    "title_canon_sha256": "d2de0b9f591c3a561dc133d8b2222147b9761279ef4c59f283c22259646299e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1204",
    "kind": "arxiv",
    "version": 1
  }
}