pith. sign in
Pith Number

pith:FEBD5KZC

pith:2013:FEBD5KZCTG7RFEBQSXDGPXMUSV
not attested not anchored not stored refs pending

V2494 Cyg: A unique FU Ori type object in the Cygnus OB7 complex

Alexei Moiseev, Chris J. Davis, Colin Aspin, Dirk Froebrich, Elena H. Nikogossian, Gerald H. Moriarty-Schieven, Michael D. Smith, Tae-Soo Pyo, Tigran Khanzadyan, Tigran Movsessian, Tigran Yu. Magakian, Tracy L. Beck

arxiv:1304.5033 v1 · 2013-04-18 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FEBD5KZCTG7RFEBQSXDGPXMUSV}

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 2026-05-18T01:50:31.243884Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

29023eab2299bf12903095c667dd94957e7f202f125f5dd0f4f61880ef55224e

Aliases

arxiv: 1304.5033 · arxiv_version: 1304.5033v1 · doi: 10.48550/arxiv.1304.5033 · pith_short_12: FEBD5KZCTG7R · pith_short_16: FEBD5KZCTG7RFEBQ · pith_short_8: FEBD5KZC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FEBD5KZCTG7RFEBQSXDGPXMUSV \
  | 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: 29023eab2299bf12903095c667dd94957e7f202f125f5dd0f4f61880ef55224e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "aea13262c36a07dbab63dbf6314a7f00f92fb9ab20b8f4deeb07998089de3c0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-18T06:51:56Z",
    "title_canon_sha256": "bc2c9d0899ce44e042188b5c6113c52173b9d196e7662124758651d49223e144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5033",
    "kind": "arxiv",
    "version": 1
  }
}