Pith Number

pith:U4JNKCVP

pith:2010:U4JNKCVPJ4N7M4LVHVHOGSW6DR

not attested not anchored not stored refs pending

VLT multi-object spectroscopy of 33 eclipsing binaries in the Small Magellanic Cloud. New distance and depth of the SMC, and a record-breaking apsidal motion

F. Barblan, F. Royer, P. L. North, R. Gauderon

arxiv:1005.4336 v1 · 2010-05-24 · 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{U4JNKCVPJ4N7M4LVHVHOGSW6DR}

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	2026-05-18T02:07:15.176550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a712d50aaf4f1bf671753d4ee34ade1c7459852070dd98f36f51b6e22f7d675d

Aliases

arxiv: 1005.4336 · arxiv_version: 1005.4336v1 · doi: 10.48550/arxiv.1005.4336 · pith_short_12: U4JNKCVPJ4N7 · pith_short_16: U4JNKCVPJ4N7M4LV · pith_short_8: U4JNKCVP

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/U4JNKCVPJ4N7M4LVHVHOGSW6DR \
  | 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: a712d50aaf4f1bf671753d4ee34ade1c7459852070dd98f36f51b6e22f7d675d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57d14a6c2216fc704147c1767c8e5e616cc8a2e16eda918e476e4db2a6e9b31c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-05-24T14:28:51Z",
    "title_canon_sha256": "2ad25e23a946c5fc52c0562ff5bff86e1fdf823581c3eb76130ae6bc4da55baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4336",
    "kind": "arxiv",
    "version": 1
  }
}