Pith Number

pith:TAKU3Q3L

pith:2014:TAKU3Q3LXRQBEEZEM7NFAG5PVR

not attested not anchored not stored refs pending

Geometry and Physics of Null Infinity

Abhay Ashtekar

arxiv:1409.1800 v2 · 2014-09-05 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TAKU3Q3LXRQBEEZEM7NFAG5PVR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

4 papers in Pith

Toward claiming a detection of gravitational memory

Minimum lifetime of a black hole

Particle detector in a position-superposed black hole spacetime

Towards a Carrollian Description of Yang-Mills

Receipt and verification

First computed	2026-05-18T02:17:42.959815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98154dc36bbc6012132467da501bafac4b4bb63a1a4244a49c5ca5143515386b

Aliases

arxiv: 1409.1800 · arxiv_version: 1409.1800v2 · doi: 10.48550/arxiv.1409.1800 · pith_short_12: TAKU3Q3LXRQB · pith_short_16: TAKU3Q3LXRQBEEZE · pith_short_8: TAKU3Q3L

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/TAKU3Q3LXRQBEEZEM7NFAG5PVR \
  | 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: 98154dc36bbc6012132467da501bafac4b4bb63a1a4244a49c5ca5143515386b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c151f81b11301ac493d10ed5ab35ef4d59e7d70b913db76cd7d03a04f98c0f6d",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-09-05T13:50:52Z",
    "title_canon_sha256": "3bf05d2b5fce221fad728a34ac55cc737c56531c0b15b30f49232f5e3329b727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1800",
    "kind": "arxiv",
    "version": 2
  }
}