Pith Number

pith:IIKUTRZF

pith:2011:IIKUTRZFR5NHEL7KPENMBMZC72

not attested not anchored not stored refs pending

Quantum Gravity and Dark Matter

Chiu Man Ho, Djordje Minic, Y. Jack Ng

arxiv:1105.2916 v1 · 2011-05-15 · 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{IIKUTRZFR5NHEL7KPENMBMZC72}

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	2026-05-18T02:01:58.207108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

421549c7258f5a722fea791ac0b322fe990a971465693e945a9a4e10cf414273

Aliases

arxiv: 1105.2916 · arxiv_version: 1105.2916v1 · doi: 10.48550/arxiv.1105.2916 · pith_short_12: IIKUTRZFR5NH · pith_short_16: IIKUTRZFR5NHEL7K · pith_short_8: IIKUTRZF

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/IIKUTRZFR5NHEL7KPENMBMZC72 \
  | 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: 421549c7258f5a722fea791ac0b322fe990a971465693e945a9a4e10cf414273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ae203160b99fc304fa18a5eeccbd26a388f97e8a8d9acdecfab033fcf928547",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-05-15T00:41:54Z",
    "title_canon_sha256": "44feeae0025233dfcd6e34a2cdd98c9ec55e01573dce9bb3debfc90c1d339b3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2916",
    "kind": "arxiv",
    "version": 1
  }
}