Pith Number

pith:QRSEESNP

pith:2016:QRSEESNPTCAAQOQ3EXZIL2TMTZ

not attested not anchored not stored refs pending

The active W UMa type binary star V781 Tau revisited

Difu Guo, Dongyang Gao, Kai Li, Shaoming Hu, Xu Chen, Yuoguo Jiang

arxiv:1601.00412 v1 · 2016-01-04 · 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{QRSEESNPTCAAQOQ3EXZIL2TMTZ}

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	2026-05-18T01:21:25.561771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84644249af9880083a1b25f285ea6c9e7468668a3c61c63e326cdbdc1cab96a3

Aliases

arxiv: 1601.00412 · arxiv_version: 1601.00412v1 · doi: 10.48550/arxiv.1601.00412 · pith_short_12: QRSEESNPTCAA · pith_short_16: QRSEESNPTCAAQOQ3 · pith_short_8: QRSEESNP

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/QRSEESNPTCAAQOQ3EXZIL2TMTZ \
  | 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: 84644249af9880083a1b25f285ea6c9e7468668a3c61c63e326cdbdc1cab96a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4962045f7a4555d5a630b3e5501f6f2b522c8b30cfae1421541d13976d977414",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-04T08:48:01Z",
    "title_canon_sha256": "5d4e53ed3388ba7aa9801b4e71207d5a21b56d85773f22546ff6f04d055630e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00412",
    "kind": "arxiv",
    "version": 1
  }
}