Pith Number

pith:HUF4CT55

pith:2019:HUF4CT55CECY3Y5I6NTC3BZPVA

not attested not anchored not stored refs pending

Properties and nature of Be stars 31. The binary nature, light variability, physical elements, and emission-line changes of HD~81357

D. Kor\v{c}\'akov'a, D. Ru\v{z}djak, D. Sudar, H. Bo\v{z}i\'c, L. Kotkov\'a, M. Bro\v{z}, M. \v{S}lechta, P. Harmanec, P. Koubsk\'y, P. \v{S}koda, S. Yang, V. Votruba, Y. Fr\'emat

arxiv:1908.02719 v1 · 2019-08-07 · 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{HUF4CT55CECY3Y5I6NTC3BZPVA}

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	2026-07-05T00:05:13.194273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d0bc14fbd11058de3a8f3662d872fa83e95e7c5fc1c479cded3db7bbf46200e

Aliases

arxiv: 1908.02719 · arxiv_version: 1908.02719v1 · doi: 10.48550/arxiv.1908.02719 · pith_short_12: HUF4CT55CECY · pith_short_16: HUF4CT55CECY3Y5I · pith_short_8: HUF4CT55

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/HUF4CT55CECY3Y5I6NTC3BZPVA \
  | 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: 3d0bc14fbd11058de3a8f3662d872fa83e95e7c5fc1c479cded3db7bbf46200e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "844c5ec3a6c564ecb4a8d5c13ac44875f1f4468839f8e241704596e1cc288b53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-07T16:41:06Z",
    "title_canon_sha256": "2f51b8a343c1ca126df31f50003d4285d1a41766e5d79f457bd761a1283caa34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02719",
    "kind": "arxiv",
    "version": 1
  }
}