Pith Number

pith:DVXJUK7P

pith:2011:DVXJUK7PWSH2PEKGZYJMZPSF5I

not attested not anchored not stored refs pending

The first determination of the viscosity parameter in the circumstellar disk of a Be Star

Alex C. Carciofi, Atsuo T. Okazaki, Dietrich Baade, Jon E. Bjorkman, Sebasti\'an A. Otero, Stanislav \v{S}tefl, Thomas Rivinius, Xavier Haubois

arxiv:1112.0053 v1 · 2011-11-30 · 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{DVXJUK7PWSH2PEKGZYJMZPSF5I}

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	2026-05-18T01:59:20.775110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d6e9a2befb48fa79146ce12ccbe45ea0caf662e34c965abe7ddcec96f45d784

Aliases

arxiv: 1112.0053 · arxiv_version: 1112.0053v1 · doi: 10.48550/arxiv.1112.0053 · pith_short_12: DVXJUK7PWSH2 · pith_short_16: DVXJUK7PWSH2PEKG · pith_short_8: DVXJUK7P

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/DVXJUK7PWSH2PEKGZYJMZPSF5I \
  | 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: 1d6e9a2befb48fa79146ce12ccbe45ea0caf662e34c965abe7ddcec96f45d784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d59484f3f73a089f84c38d25f76ae6205bb3c561d9cb19ec5804979d8832d96e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-30T23:20:00Z",
    "title_canon_sha256": "ee322b51b9594008af9f31e21d22a73a354ab9a3bf0a698b88bd6b2eee6ea6da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0053",
    "kind": "arxiv",
    "version": 1
  }
}