Pith Number

pith:ZCAZKRZA

pith:2020:ZCAZKRZASRG6BPOLIS4OMXAJCJ

not attested not anchored not stored refs pending

On the nature of VX Sagitarii: Is it a TZO, a RSG or a high-mass AGB star?

E. Marfil, H. M. Tabernero, I. Negueruela, R. Dorda

arxiv:2011.09184 v1 · 2020-11-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCAZKRZASRG6BPOLIS4OMXAJCJ}

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.

Cited by

1 paper in Pith

Hyperaccreting Neutron Stars inside Massive Envelopes: The Implausibility of Thorne-\.Zytkow Objects

Receipt and verification

First computed	2026-07-05T02:15:35.173248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c881954720944de0bdcb44b8e65c091252306b5cbc33d677cc304b2b60af4665

Aliases

arxiv: 2011.09184 · arxiv_version: 2011.09184v1 · doi: 10.48550/arxiv.2011.09184 · pith_short_12: ZCAZKRZASRG6 · pith_short_16: ZCAZKRZASRG6BPOL · pith_short_8: ZCAZKRZA

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/ZCAZKRZASRG6BPOLIS4OMXAJCJ \
  | 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: c881954720944de0bdcb44b8e65c091252306b5cbc33d677cc304b2b60af4665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e357d126f5575aab2d29954f916363bd02aa2eb8b95b4c41d758f994c74cbb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-11-18T10:11:25Z",
    "title_canon_sha256": "7d816959001f128251376670d5ef7b61b69cc0392a2af62602d5f88c805cec03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.09184",
    "kind": "arxiv",
    "version": 1
  }
}