Pith Number

pith:ERFM5F6U

pith:2012:ERFM5F6U76WLZPWMF7ZFDB6PBB

not attested not anchored not stored refs pending

High-resolution spectroscopy and high-density monitoring in X-rays of Novae

Jan-Uwe Ness

arxiv:1209.2153 v1 · 2012-09-10 · astro-ph.HE · 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{ERFM5F6U76WLZPWMF7ZFDB6PBB}

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	2026-05-18T03:45:52.712070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244ace97d4ffacbcbecc2ff25187cf0849b0d66b6e2958c1ab1dc2802ff6ce73

Aliases

arxiv: 1209.2153 · arxiv_version: 1209.2153v1 · doi: 10.48550/arxiv.1209.2153 · pith_short_12: ERFM5F6U76WL · pith_short_16: ERFM5F6U76WLZPWM · pith_short_8: ERFM5F6U

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/ERFM5F6U76WLZPWMF7ZFDB6PBB \
  | 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: 244ace97d4ffacbcbecc2ff25187cf0849b0d66b6e2958c1ab1dc2802ff6ce73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d839663f1a4b6bcbe40f34f2aa668ba6761dcc422cf60b628f52ac441e0dc88c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-09-10T20:36:21Z",
    "title_canon_sha256": "c526da27264fe25e0470784915a2d5b155c7b2c8d0b9ed06a1b64eba72075186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2153",
    "kind": "arxiv",
    "version": 1
  }
}