Pith Number

pith:FKPTZBCC

pith:2016:FKPTZBCCYR2BUWOF6Z23FND2LQ

not attested not anchored not stored refs pending

Analysis of the X-ray spectrum of the hot bubble of BD+30{\deg}3639

Detlef Sch\"onberner, Matthias Steffen, Ralf Jacob, Ren\'e Heller

arxiv:1612.01389 v2 · 2016-12-05 · 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{FKPTZBCCYR2BUWOF6Z23FND2LQ}

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	2026-05-18T00:30:46.440918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9f3c8442c4741a59c5f675b2b47a5c1b48b88332dbe29372aa015f44ff312f

Aliases

arxiv: 1612.01389 · arxiv_version: 1612.01389v2 · doi: 10.48550/arxiv.1612.01389 · pith_short_12: FKPTZBCCYR2B · pith_short_16: FKPTZBCCYR2BUWOF · pith_short_8: FKPTZBCC

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/FKPTZBCCYR2BUWOF6Z23FND2LQ \
  | 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: 2a9f3c8442c4741a59c5f675b2b47a5c1b48b88332dbe29372aa015f44ff312f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34efe971c6f72fc2a31bf347e722756504c77ac22f1e275294aa113ad198e1e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-05T15:20:57Z",
    "title_canon_sha256": "0141c43347bce95f9af63e09755995ee84324c88fbae998ac10d99edc170b310"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01389",
    "kind": "arxiv",
    "version": 2
  }
}