Pith Number

pith:7DESQYD5

pith:2017:7DESQYD5RJ4LFVL2CE2GATKBNB

not attested not anchored not stored refs pending

Curvature properties of Vaidya metric

Absos Ali Shaikh, Haradhan Kundu, Jayshree Sen

arxiv:1710.06333 v2 · 2017-10-17 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DESQYD5RJ4LFVL2CE2GATKBNB}

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	2026-05-17T23:46:55.614812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8c928607d8a78b2d57a1134604d4168646bcf7ad3d7194b4d9cd18d5b6fb55c

Aliases

arxiv: 1710.06333 · arxiv_version: 1710.06333v2 · doi: 10.48550/arxiv.1710.06333 · pith_short_12: 7DESQYD5RJ4L · pith_short_16: 7DESQYD5RJ4LFVL2 · pith_short_8: 7DESQYD5

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/7DESQYD5RJ4LFVL2CE2GATKBNB \
  | 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: f8c928607d8a78b2d57a1134604d4168646bcf7ad3d7194b4d9cd18d5b6fb55c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "024bd16b19c256399b321bb692f3c46a478deb8c4416fd884441c96f5d02001d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-10-17T15:04:49Z",
    "title_canon_sha256": "a041124217320d70384a957b18e68940be082e5f99d9ecd6623a51fb3aec4259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06333",
    "kind": "arxiv",
    "version": 2
  }
}