Pith Number

pith:MJTLVRTS

pith:2009:MJTLVRTS3ZPY4XT5GD57ZCGDI5

not attested not anchored not stored refs pending

The gravitational S-matrix

Rafael A. Porto, Steven B. Giddings

arxiv:0908.0004 v1 · 2009-08-03 · hep-th · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJTLVRTS3ZPY4XT5GD57ZCGDI5}

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	2026-05-18T04:16:32.364083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6266bac672de5f8e5e7d30fbfc88c3477135fa3307d26bfbc4fad23a69080dae

Aliases

arxiv: 0908.0004 · arxiv_version: 0908.0004v1 · doi: 10.48550/arxiv.0908.0004 · pith_short_12: MJTLVRTS3ZPY · pith_short_16: MJTLVRTS3ZPY4XT5 · pith_short_8: MJTLVRTS

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/MJTLVRTS3ZPY4XT5GD57ZCGDI5 \
  | 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: 6266bac672de5f8e5e7d30fbfc88c3477135fa3307d26bfbc4fad23a69080dae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec0efd19823be0a887519e62a5019ff69ad2be0a44340d762b2f207832cb0eca",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-08-03T19:12:36Z",
    "title_canon_sha256": "2e6b15f092c61a012edf54efe85a4de25c69f4fb7b4b329dcef4c08aa64a83c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0004",
    "kind": "arxiv",
    "version": 1
  }
}