Pith Number

pith:XZ676PPF

pith:2015:XZ676PPFERB2FXPHLXBSJKFDH3

not attested not anchored not stored refs pending

YSOVAR: Mid-infrared Variability Among YSOs in the Star Formation Region GGD 12-15

(10) Dept. of Physics & Astronomy, (11) Physics, 2), (2) MIT Kavli Institute, 3), (3) Sagan Fellow, (4) Spitzer Science Center, 5), (5) Nasa Ames Research Center, 6), (6) University of Vienna, (7) Dept. of Astronomy, (8) Department of Astronomy, (9) Department of Physics Astronomy, A. M. Cody (4, Astronomy Department, California Institute of Technology, Department of Astrophysics, H. Moritz G\"unther (1, Inseok Song (11) ((1) Harvard--Smithsonian Center for Astrophysics, J. Forbrich (1, J. R. Stauffer (4), Katja Poppenhaeger (1, K. R. Covey (10), L. A. Hillenbrand (8), L. M. Rebull (4), Materials Science, Missouri State University, P. Plavchan (9), R. A. Gutermuth (7), Scott J. Wolk (1), University of Georgia), University of Massachusetts- Amherst, Western Washington University

arxiv:1507.04368 v2 · 2015-07-15 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:29:45.354868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be7dff3de52443a2dde75dc324a8a33ee05d06ce3798905f25a6fa824957fa6f

Aliases

arxiv: 1507.04368 · arxiv_version: 1507.04368v2 · doi: 10.48550/arxiv.1507.04368 · pith_short_12: XZ676PPFERB2 · pith_short_16: XZ676PPFERB2FXPH · pith_short_8: XZ676PPF

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/XZ676PPFERB2FXPHLXBSJKFDH3 \
  | 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: be7dff3de52443a2dde75dc324a8a33ee05d06ce3798905f25a6fa824957fa6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7930d5c2d6a42b45816e3811d4933a95521db618a33384e08c0ec7502c7b3406",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-15T20:05:11Z",
    "title_canon_sha256": "f4fb8796f6f0cff1ccdcfa14ee8b58e4552b8bd71932ac59d020914788c211e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04368",
    "kind": "arxiv",
    "version": 2
  }
}