Pith Number

pith:C7E7MEEH

pith:2015:C7E7MEEH4XU5VHVGW2Y5S5GIDW

not attested not anchored not stored refs pending

A new and improved ephemeris for the hot subdwarf eclipsing binary SDSS J082053.53+000843.4

Americo Watkins, David Pulley, Derek Smith, George Faillace

arxiv:1507.04097 v2 · 2015-07-15 · 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{C7E7MEEH4XU5VHVGW2Y5S5GIDW}

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	2026-05-18T01:36:17.693541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17c9f61087e5e9da9ea6b6b1d974c81d90b0cce35cf65d436bb55bf47a17057b

Aliases

arxiv: 1507.04097 · arxiv_version: 1507.04097v2 · doi: 10.48550/arxiv.1507.04097 · pith_short_12: C7E7MEEH4XU5 · pith_short_16: C7E7MEEH4XU5VHVG · pith_short_8: C7E7MEEH

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/C7E7MEEH4XU5VHVGW2Y5S5GIDW \
  | 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: 17c9f61087e5e9da9ea6b6b1d974c81d90b0cce35cf65d436bb55bf47a17057b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4039f7808614de3dd14bf44751021fe5b3fcd65647a802fa4a7f3e5985b8c1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-15T06:28:56Z",
    "title_canon_sha256": "90ef746f630a0075ee2a740245416e10e8bfb5dc6216049f1abfe0c1a5ec5778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04097",
    "kind": "arxiv",
    "version": 2
  }
}