Pith Number

pith:CQFHKIG4

pith:2012:CQFHKIG4VCAO2DYXIIUGSDL4PE

not attested not anchored not stored refs pending

Boundary Term Contribution to the Volume of a Small Causal Diamond

Sumati Surya, Surbhi Khetrapal

arxiv:1212.0629 v1 · 2012-12-04 · 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{CQFHKIG4VCAO2DYXIIUGSDL4PE}

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	2026-05-18T01:52:48.050899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140a7520dca880ed0f174228690d7c79343f9c2554c12b4930f714212ff18cc7

Aliases

arxiv: 1212.0629 · arxiv_version: 1212.0629v1 · doi: 10.48550/arxiv.1212.0629 · pith_short_12: CQFHKIG4VCAO · pith_short_16: CQFHKIG4VCAO2DYX · pith_short_8: CQFHKIG4

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/CQFHKIG4VCAO2DYXIIUGSDL4PE \
  | 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: 140a7520dca880ed0f174228690d7c79343f9c2554c12b4930f714212ff18cc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10292e4277411f717adb59c013e3d7c2b164473a46944b544e8f0b1c56d41519",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-04T07:23:30Z",
    "title_canon_sha256": "ecdf96e2a1121e77107e14d0e9ba4cce8825f46c9dccd04a7597bd8492872d7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0629",
    "kind": "arxiv",
    "version": 1
  }
}