Pith Number

pith:OU5HMFY2

pith:2021:OU5HMFY2L64Y5N7X2LRYTLNA25

not attested not anchored not stored refs pending

Intrinsic and extrinsic gravitational flexions

Basundhara Ghosh, Bjoern Malte Schaefer, Eileen Sophie Giesel

arxiv:2107.09000 v3 · 2021-07-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OU5HMFY2L64Y5N7X2LRYTLNA25}

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	2026-07-05T04:03:12.105707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

753a76171a5fb98eb7f7d2e389ada0d761a03f4884c97fb4e480ce63e9ff8232

Aliases

arxiv: 2107.09000 · arxiv_version: 2107.09000v3 · doi: 10.48550/arxiv.2107.09000 · pith_short_12: OU5HMFY2L64Y · pith_short_16: OU5HMFY2L64Y5N7X · pith_short_8: OU5HMFY2

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/OU5HMFY2L64Y5N7X2LRYTLNA25 \
  | 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: 753a76171a5fb98eb7f7d2e389ada0d761a03f4884c97fb4e480ce63e9ff8232

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "177bb8146fe88b5b4d1b10c9aafbfee29042d260cafcfe04356b0ace8d9fa367",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-07-19T16:23:17Z",
    "title_canon_sha256": "6434601e8ecf5f48bc24ec4c2a4c97392feb7d753eee2b496df812aa104a7bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09000",
    "kind": "arxiv",
    "version": 3
  }
}