Pith Number

pith:SJBTJNOG

pith:2017:SJBTJNOG2IJYSLMFHR3D7NPMLU

not attested not anchored not stored refs pending

Followup Observations of SDSS and CRTS Candidate Cataclysmic Variables II

Donald Serna-Grey, Mark E. Everett, Paula Szkody, Zhibin Dai

arxiv:1712.03284 v1 · 2017-12-08 · 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{SJBTJNOG2IJYSLMFHR3D7NPMLU}

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	2026-05-18T00:27:17.417043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

924334b5c6d213892d853c763fb5ec5d0da028f33d184ad9e5dd77ac0559e0b0

Aliases

arxiv: 1712.03284 · arxiv_version: 1712.03284v1 · doi: 10.48550/arxiv.1712.03284 · pith_short_12: SJBTJNOG2IJY · pith_short_16: SJBTJNOG2IJYSLMF · pith_short_8: SJBTJNOG

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/SJBTJNOG2IJYSLMFHR3D7NPMLU \
  | 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: 924334b5c6d213892d853c763fb5ec5d0da028f33d184ad9e5dd77ac0559e0b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81819e2b20b089b0e02f5950bd315014ce739dc953e03d7ca72c9924c252a421",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-08T21:22:29Z",
    "title_canon_sha256": "aaa3231faa95c480adce795422c8c1eca3dbd80823e25a66cd87f15231ec9ab3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03284",
    "kind": "arxiv",
    "version": 1
  }
}