Pith Number

pith:TBURDFFR

pith:2020:TBURDFFRSCBD5ACWFLBKKZMFMP

not attested not anchored not stored refs pending

The Soft State of the Black Hole Transient Source MAXI J1820+070: Emission from the Edge of the Plunge Region?

A.C. Fabian, B.W Grefenstette, C.S. Reynolds, D. Altamirano, D.J Buisson, D.J. Walton, D.R. Wilkins, E. Kara, E.M. Cackett, F.A. Harrison, J.A. Garcia, J.A. Tomsick, J.F. Steiner, J. Homan, J.M. Miller, K.C. Gendreau, P. Gandhi, P. Kosec, R.M. Ludlam, S. Dyda, Z. Arzoumanian

arxiv:2002.09691 v1 · 2020-02-22 · 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{TBURDFFRSCBD5ACWFLBKKZMFMP}

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.

Cited by

1 paper in Pith

Stepping Up Superradiance Constraints on Axions

Receipt and verification

First computed	2026-07-05T00:45:24.195456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98691194b190823e80562ac2a5658563d982d0b3d118c09505d613f111011997

Aliases

arxiv: 2002.09691 · arxiv_version: 2002.09691v1 · doi: 10.48550/arxiv.2002.09691 · pith_short_12: TBURDFFRSCBD · pith_short_16: TBURDFFRSCBD5ACW · pith_short_8: TBURDFFR

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/TBURDFFRSCBD5ACWFLBKKZMFMP \
  | 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: 98691194b190823e80562ac2a5658563d982d0b3d118c09505d613f111011997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d52895a73233e49a2b3516171e13479c08b2784bf121f4413e80e786da48ba7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-02-22T12:23:16Z",
    "title_canon_sha256": "af67ac29d80750541e82690d4b92155183d895bba8ec68d2a43a8b48563aaad1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.09691",
    "kind": "arxiv",
    "version": 1
  }
}