Pith Number

pith:FAJOOFWI

pith:2020:FAJOOFWIOUNGWE2GCFO5N6EWVS

not attested not anchored not stored refs pending

Discovery of a thermonuclear Type I X-ray burst in infrared: new limits on the orbital period of 4U 1728-34

D. Altamirano, F. M. Vincentelli, M. Diaz-Trigo, P. Casella, S. Migliari, T. Belloni, Y. Cavecchi

arxiv:2003.08403 v1 · 2020-03-18 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FAJOOFWIOUNGWE2GCFO5N6EWVS}

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	2026-07-05T00:56:48.205580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2812e716c8751a6b1346115dd6f896acbddbea34a9f525a979c706222ed5cb94

Aliases

arxiv: 2003.08403 · arxiv_version: 2003.08403v1 · doi: 10.48550/arxiv.2003.08403 · pith_short_12: FAJOOFWIOUNG · pith_short_16: FAJOOFWIOUNGWE2G · pith_short_8: FAJOOFWI

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/FAJOOFWIOUNGWE2GCFO5N6EWVS \
  | 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: 2812e716c8751a6b1346115dd6f896acbddbea34a9f525a979c706222ed5cb94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a22672939c6bd9527b8705ac7a8dbac2dfb31df3f64435758a1391a96c0069d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-03-18T18:00:09Z",
    "title_canon_sha256": "e4110548883d9f3c7a2766553de87783af3c3eb3a7268de58b8bb8ea68b4b532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.08403",
    "kind": "arxiv",
    "version": 1
  }
}