Pith Number

pith:AF5JDNG3

pith:2012:AF5JDNG355PABPXIMKOP7PQUID

not attested not anchored not stored refs pending

Quantum Gravity and Inflation

M. G. Romania (Crete), N. C. Tsamis (Crete), R. P. Woodard (Florida)

arxiv:1204.6558 v4 · 2012-04-30 · gr-qc · astro-ph.CO · 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{AF5JDNG355PABPXIMKOP7PQUID}

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	2026-05-18T01:57:42.483023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017a91b4dbef5e00bee8629cffbe1440f12ce5fe17e5a84f4368216de127ab55

Aliases

arxiv: 1204.6558 · arxiv_version: 1204.6558v4 · doi: 10.48550/arxiv.1204.6558 · pith_short_12: AF5JDNG355PA · pith_short_16: AF5JDNG355PABPXI · pith_short_8: AF5JDNG3

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/AF5JDNG355PABPXIMKOP7PQUID \
  | 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: 017a91b4dbef5e00bee8629cffbe1440f12ce5fe17e5a84f4368216de127ab55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8742b88eaedcc4cbc1a2e3e8843b2ef6514b6a30fdfe8e517ad76e7c84bf0045",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-30T06:17:16Z",
    "title_canon_sha256": "a84040e3f4c313840c65f912117d995e20c4a04fd18a9c08e945efcad8e8cb80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6558",
    "kind": "arxiv",
    "version": 4
  }
}