Pith Number

pith:O2USC3B2

pith:2019:O2USC3B24YSJIU4CMDLT4PD3C7

not attested not anchored not stored refs pending

Optical spectroscopic and polarization properties of 2011 outburst of the recurrent nova T Pyxidis

A. N. Ramaprakash, G. C. Anupama, G. Selvakumar, M. Pavana, Ramya M Anche

arxiv:1901.00404 v1 · 2019-01-02 · 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{O2USC3B24YSJIU4CMDLT4PD3C7}

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	2026-05-17T23:54:08.084255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a9216c3ae62494538260d73e3c7b17d7a731b7c273f9f3618b8c9caa4024d8

Aliases

arxiv: 1901.00404 · arxiv_version: 1901.00404v1 · doi: 10.48550/arxiv.1901.00404 · pith_short_12: O2USC3B24YSJ · pith_short_16: O2USC3B24YSJIU4C · pith_short_8: O2USC3B2

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/O2USC3B24YSJIU4CMDLT4PD3C7 \
  | 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: 76a9216c3ae62494538260d73e3c7b17d7a731b7c273f9f3618b8c9caa4024d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f17e2df78b3f8e14f0d74c77198e659e6f4bf6cec4d8ded825ae92a45358b23d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-02T14:57:06Z",
    "title_canon_sha256": "0df4165a178e16494ee6157ac49ff0578ea055dd901b4c97411b69c0582f775f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00404",
    "kind": "arxiv",
    "version": 1
  }
}