Pith Number

pith:DRUWKMJS

pith:2015:DRUWKMJSUSZSYFUO5AMHK2UBDT

not attested not anchored not stored refs pending

The low mass ratio contact binary system V728 Herculis

Burak Ulas, Naci Erkan

arxiv:1512.07897 v1 · 2015-12-24 · 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{DRUWKMJSUSZSYFUO5AMHK2UBDT}

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	2026-05-18T01:23:45.837581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c69653132a4b32c168ee818756a811cf76e61afe87ee727301da2c46fd6e09e

Aliases

arxiv: 1512.07897 · arxiv_version: 1512.07897v1 · doi: 10.48550/arxiv.1512.07897 · pith_short_12: DRUWKMJSUSZS · pith_short_16: DRUWKMJSUSZSYFUO · pith_short_8: DRUWKMJS

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/DRUWKMJSUSZSYFUO5AMHK2UBDT \
  | 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: 1c69653132a4b32c168ee818756a811cf76e61afe87ee727301da2c46fd6e09e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f287e76636451ccf88ff0875a0c0a8790ad6a852a116074b12d94dfa4c19a10e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-24T20:27:01Z",
    "title_canon_sha256": "0dfa5ecd927584e17c8207ac9cffb87e4e9b88be46eb08d36eb1e51db0f5ca25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07897",
    "kind": "arxiv",
    "version": 1
  }
}