Pith Number

pith:P7CUAYYM

pith:2022:P7CUAYYM6W6K7NFLKHQ4EUMJWT

not attested not anchored not stored refs pending

Anisotropic compact star with a linear pressure-density relationship

Bikram Keshari Parida, Koushik Chakraborty, Saibal Ray, Shyam Das

arxiv:2201.10772 v1 · 2022-01-26 · 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{P7CUAYYM6W6K7NFLKHQ4EUMJWT}

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	2026-07-05T04:35:42.620030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc540630cf5bcafb4ab51e1c25189b4c74a90f06e66e23a0c4b7acd3dfd117b

Aliases

arxiv: 2201.10772 · arxiv_version: 2201.10772v1 · doi: 10.48550/arxiv.2201.10772 · pith_short_12: P7CUAYYM6W6K · pith_short_16: P7CUAYYM6W6K7NFL · pith_short_8: P7CUAYYM

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/P7CUAYYM6W6K7NFLKHQ4EUMJWT \
  | 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: 7fc540630cf5bcafb4ab51e1c25189b4c74a90f06e66e23a0c4b7acd3dfd117b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "005c76def5e0c340e1d5bcd5792c3ac5673e6aebd18c9f75040253b0f2219c6d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-01-26T06:41:05Z",
    "title_canon_sha256": "480df8295a32134396926d2551e7a6f26d8f4ed7aa4f06f0520720dc1ab06788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.10772",
    "kind": "arxiv",
    "version": 1
  }
}