Pith Number

pith:M7EKCGPI

pith:2001:M7EKCGPIL6OCRLEFQVHI4W3PMW

not attested not anchored not stored refs pending

Circumstellar environment of RX Puppis

E. Brandi, J. Mikolajewska, L.G. Garcia, O. Ferrer, P.A. Whitelock & F. Marang

arxiv:astro-ph/0103495 v1 · 2001-03-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7EKCGPIL6OCRLEFQVHI4W3PMW}

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	2026-05-18T01:21:57.119971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67c8a119e85f9c28ac85854e8e5b6f65a12ecbc1c9c368be6dd1b16a5d9a7a47

Aliases

arxiv: astro-ph/0103495 · arxiv_version: astro-ph/0103495v1 · doi: 10.48550/arxiv.astro-ph/0103495 · pith_short_12: M7EKCGPIL6OC · pith_short_16: M7EKCGPIL6OCRLEF · pith_short_8: M7EKCGPI

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/M7EKCGPIL6OCRLEFQVHI4W3PMW \
  | 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: 67c8a119e85f9c28ac85854e8e5b6f65a12ecbc1c9c368be6dd1b16a5d9a7a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a843ebb077bbeea08b36579c648868ec2438ffeca6276ebb2fb7b11954f67845",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-29T13:31:54Z",
    "title_canon_sha256": "571748b3b6da486cf15e0eaba7f3a4426d11d5dd1892e1978df0de246fee076a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103495",
    "kind": "arxiv",
    "version": 1
  }
}