Pith Number

pith:YI2VRFLN

pith:2009:YI2VRFLNZHGU2LQWHTV5VZMHTM

not attested not anchored not stored refs pending

X-ray Emission from the FU Orionis Star V1735 Cygni

K.R. Briggs, K.R. Sokal, M. Gudel, S.L. Skinner

arxiv:0901.3514 v1 · 2009-01-22 · 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{YI2VRFLNZHGU2LQWHTV5VZMHTM}

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	2026-05-18T04:29:17.244706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c23558956dc9cd4d2e163cebdae5879b1f6a4d6f04bc696cff538d9ae1a7a92a

Aliases

arxiv: 0901.3514 · arxiv_version: 0901.3514v1 · doi: 10.48550/arxiv.0901.3514 · pith_short_12: YI2VRFLNZHGU · pith_short_16: YI2VRFLNZHGU2LQW · pith_short_8: YI2VRFLN

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/YI2VRFLNZHGU2LQWHTV5VZMHTM \
  | 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: c23558956dc9cd4d2e163cebdae5879b1f6a4d6f04bc696cff538d9ae1a7a92a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbea85017e712cf2433eb2e9e69fbe39580c5fae437fdcc008d1edbd36f02836",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-22T16:51:38Z",
    "title_canon_sha256": "2564d4c5c3375e549ce690cfc7add4ce89655585c68a6b14a1f0b5b987c807ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3514",
    "kind": "arxiv",
    "version": 1
  }
}