Pith Number

pith:FF5FQSC6

pith:2016:FF5FQSC6GZZTIJD5RSYYPW5HQW

not attested not anchored not stored refs pending

A 16-Year Photometric Campaign on the Eclipsing Novalike Variable DW Ursae Majoris

B. Martin, D. Barrett, D. Cejudo, D. Collins, D. Lemay, D. Messier, D. R. S. Boyd, D. Skillman, E. de Miguel, F.-J. Hambsch, G. Roberts, J. Boardman, J. Kemp, J. L. Foote, J. L. Jones, J. Patterson, J. Robertson, J. Rock, J. Ulowetz, J. V. McClusky, K. Menzies, L. M. Cook, M. A. Wood, M. J. Cook, M. Koppelman, O. Brettman, R. Fried, R. Koff, R. Sabo, T. Krajci, T. L. Gomez, T. Vanmunster

arxiv:1612.06883 v1 · 2016-12-20 · 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{FF5FQSC6GZZTIJD5RSYYPW5HQW}

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	2026-05-18T00:52:37.122815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

297a58485e367334247d8cb187dba785bf0c23326e5d7bec1f52bd3d78459ded

Aliases

arxiv: 1612.06883 · arxiv_version: 1612.06883v1 · doi: 10.48550/arxiv.1612.06883 · pith_short_12: FF5FQSC6GZZT · pith_short_16: FF5FQSC6GZZTIJD5 · pith_short_8: FF5FQSC6

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/FF5FQSC6GZZTIJD5RSYYPW5HQW \
  | 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: 297a58485e367334247d8cb187dba785bf0c23326e5d7bec1f52bd3d78459ded

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae05dbc7e8d97afc9ecdbe918262f068bc06e433960269007285865d1994602f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-20T21:21:56Z",
    "title_canon_sha256": "ba12e7fcd81cba8859c8cb696fabde3d8dc87bee794d7e403ff1a5eb9bb82327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06883",
    "kind": "arxiv",
    "version": 1
  }
}