Pith Number

pith:FDWMUYBF

pith:2006:FDWMUYBFNYVDV2YAV4PU5PAYKY

not attested not anchored not stored refs pending

Positioning with stationary emitters in a two-dimensional space-time

Bartolom\'e Coll, Joan Josep Ferrando, Juan Antonio Morales

arxiv:gr-qc/0607037 v2 · 2006-07-10 · 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{FDWMUYBFNYVDV2YAV4PU5PAYKY}

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	2026-05-18T01:08:53.919960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ecca60256e2a3aeb00af1f4ebc18560485801554e49d3fd985064390ee4382

Aliases

arxiv: gr-qc/0607037 · arxiv_version: gr-qc/0607037v2 · doi: 10.48550/arxiv.gr-qc/0607037 · pith_short_12: FDWMUYBFNYVD · pith_short_16: FDWMUYBFNYVDV2YA · pith_short_8: FDWMUYBF

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/FDWMUYBFNYVDV2YAV4PU5PAYKY \
  | 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: 28ecca60256e2a3aeb00af1f4ebc18560485801554e49d3fd985064390ee4382

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45033862a967b2cf9084fbd0ec542619526367bda59edc6fd537e95f7da4f3e1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-07-10T14:27:25Z",
    "title_canon_sha256": "76b2c4816077dc8352288c029a273e99d16a6a1d62d1b969ffa5d5687d2d1eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0607037",
    "kind": "arxiv",
    "version": 2
  }
}