Pith Number

pith:OLAQIEKR

pith:2017:OLAQIEKR5WSHGWRFYSOKRH76LF

not attested not anchored not stored refs pending

Near-horizon geodesics for astrophysical and idealised black holes: Coordinate velocity and coordinate acceleration

Matt Visser, Petarpa Boonserm, Tritos Ngampitipan

arxiv:1710.06139 v2 · 2017-10-17 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLAQIEKR5WSHGWRFYSOKRH76LF}

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	2026-05-18T00:14:54.393927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72c1041151eda4735a25c49ca89ffe597e927f8ca7d0e1b8c798f5c1495b4127

Aliases

arxiv: 1710.06139 · arxiv_version: 1710.06139v2 · doi: 10.48550/arxiv.1710.06139 · pith_short_12: OLAQIEKR5WSH · pith_short_16: OLAQIEKR5WSHGWRF · pith_short_8: OLAQIEKR

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/OLAQIEKR5WSHGWRFYSOKRH76LF \
  | 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: 72c1041151eda4735a25c49ca89ffe597e927f8ca7d0e1b8c798f5c1495b4127

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a26a67335f31f7fc2519e250359a836f1ab6761eff2c97b4c492b2cd4743f848",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-10-17T07:49:13Z",
    "title_canon_sha256": "d2fc8bd2e15209620307d8855ec9af673aa83ca26d7931a129225ed5c03b3ddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06139",
    "kind": "arxiv",
    "version": 2
  }
}