Pith Number

pith:P4DYSZSM

pith:2004:P4DYSZSMTGQFCAP7NF4A3OU54E

not attested not anchored not stored refs pending

Approximate stress-energy tensor of the massless spin-1/2 field in Schwarzschild spacetime

Jerzy Matyjasek

arxiv:gr-qc/0412056 v1 · 2004-12-12 · 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{P4DYSZSMTGQFCAP7NF4A3OU54E}

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	2026-07-04T16:47:57.326852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0789664c99a05101ff69780dba9de119f7772462ba5bbcec9fd0fa4f8f8bac

Aliases

arxiv: gr-qc/0412056 · arxiv_version: gr-qc/0412056v1 · doi: 10.48550/arxiv.gr-qc/0412056 · pith_short_12: P4DYSZSMTGQF · pith_short_16: P4DYSZSMTGQFCAP7 · pith_short_8: P4DYSZSM

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/P4DYSZSMTGQFCAP7NF4A3OU54E \
  | 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: 7f0789664c99a05101ff69780dba9de119f7772462ba5bbcec9fd0fa4f8f8bac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f094d58f140927c67e84881dd4ce438d87ff0f949f1c8854166c869dd24d748",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-12-12T18:00:43Z",
    "title_canon_sha256": "ebbbe1df35c685f91272776aa5ff828930370b11de82db4089df418904906070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0412056",
    "kind": "arxiv",
    "version": 1
  }
}