Pith Number

pith:NMY5G2AY

pith:2007:NMY5G2AYWDJHL2XQDCLI3J5ZDE

not attested not anchored not stored refs pending

Modified Actions for Gravity: Theory and Phenomenology

Thomas P. Sotiriou

arxiv:0710.4438 v1 · 2007-10-24 · gr-qc · astro-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMY5G2AYWDJHL2XQDCLI3J5ZDE}

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	2026-05-18T04:09:13.956365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b31d36818b0d275eaf018968da7b9190aeaf5bfb529718f0e77a6709c9ae19a

Aliases

arxiv: 0710.4438 · arxiv_version: 0710.4438v1 · doi: 10.48550/arxiv.0710.4438 · pith_short_12: NMY5G2AYWDJH · pith_short_16: NMY5G2AYWDJHL2XQ · pith_short_8: NMY5G2AY

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/NMY5G2AYWDJHL2XQDCLI3J5ZDE \
  | 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: 6b31d36818b0d275eaf018968da7b9190aeaf5bfb529718f0e77a6709c9ae19a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cb10414989b3dbe33e53c8334df70610092e8ce5c3ee1fd58d3f290997812b2",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-10-24T11:52:56Z",
    "title_canon_sha256": "bb625d9e24d58a9f8b887869ee2da28bb3856d9aabe857ab492acb7a67d3ae0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4438",
    "kind": "arxiv",
    "version": 1
  }
}