Pith Number

pith:JS2Y3UQC

pith:2017:JS2Y3UQCS23K5PRF4VOZ4EOHTA

not attested not anchored not stored refs pending

Observed Angles and Geodesic Light-Cone Coordinates

Ermis Mitsou, Fulvio Scaccabarozzi, Giuseppe Fanizza

arxiv:1712.05675 v2 · 2017-12-15 · 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{JS2Y3UQCS23K5PRF4VOZ4EOHTA}

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	2026-05-18T00:18:25.432560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cb58dd20296b6aebe25e55d9e11c7981163428f7431f3f14ea96f5c6fbfdf40

Aliases

arxiv: 1712.05675 · arxiv_version: 1712.05675v2 · doi: 10.48550/arxiv.1712.05675 · pith_short_12: JS2Y3UQCS23K · pith_short_16: JS2Y3UQCS23K5PRF · pith_short_8: JS2Y3UQC

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/JS2Y3UQCS23K5PRF4VOZ4EOHTA \
  | 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: 4cb58dd20296b6aebe25e55d9e11c7981163428f7431f3f14ea96f5c6fbfdf40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa405be1db69006af88b4ca99930bf502f95bd32a8ff6410848291029f4f181a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-15T13:52:07Z",
    "title_canon_sha256": "20f7a754013a19d0b8bc31c3afc8cfb09f33c98d55e8c47c2f028ce583d93ce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05675",
    "kind": "arxiv",
    "version": 2
  }
}