Pith Number

pith:63WLMGPR

pith:2015:63WLMGPRFXITKZHR2V663GPQHF

not attested not anchored not stored refs pending

Quantum fields and entanglement on a curved lightfront

Illan Halpern, Yasha Neiman

arxiv:1502.04106 v2 · 2015-02-13 · hep-th · 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{63WLMGPRFXITKZHR2V663GPQHF}

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	2026-05-18T01:36:51.383666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6ecb619f12dd13564f1d57ded99f039468fdbb85504cbc56ad1875305bc2763

Aliases

arxiv: 1502.04106 · arxiv_version: 1502.04106v2 · doi: 10.48550/arxiv.1502.04106 · pith_short_12: 63WLMGPRFXIT · pith_short_16: 63WLMGPRFXITKZHR · pith_short_8: 63WLMGPR

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/63WLMGPRFXITKZHR2V663GPQHF \
  | 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: f6ecb619f12dd13564f1d57ded99f039468fdbb85504cbc56ad1875305bc2763

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0a5a1d85a6e62def76a1605d0ce175eb5de222c0365ba2410458430ae5dee4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-02-13T20:20:35Z",
    "title_canon_sha256": "53abf9574bf318816d8783818164f3168e63842af16a4376fceb9912f60ebfc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04106",
    "kind": "arxiv",
    "version": 2
  }
}