Pith Number

pith:OT6NXX2Z

pith:2020:OT6NXX2ZFHS3ES5WFTIN6JO2VQ

not attested not anchored not stored refs pending

High resolution X-ray spectroscopy of Supergiant HMXB 4U1700$-$37 during the compact object eclipse

F. F\"urst, J.M. Torrej\'on, L. Oskinova, M. Mart\'inez-Chicharro, M. Nowak, N. Hell, N. Schulz, R. Hainich, V. Grinberg

arxiv:2012.11901 v1 · 2020-12-22 · 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{OT6NXX2ZFHS3ES5WFTIN6JO2VQ}

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	2026-07-05T02:04:49.844105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74fcdbdf5929e5b24bb62cd0df25daac126318e3b1a25f0314276c9893e1ead2

Aliases

arxiv: 2012.11901 · arxiv_version: 2012.11901v1 · doi: 10.48550/arxiv.2012.11901 · pith_short_12: OT6NXX2ZFHS3 · pith_short_16: OT6NXX2ZFHS3ES5W · pith_short_8: OT6NXX2Z

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/OT6NXX2ZFHS3ES5WFTIN6JO2VQ \
  | 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: 74fcdbdf5929e5b24bb62cd0df25daac126318e3b1a25f0314276c9893e1ead2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5838a8bed9a965ebf2138841db39c300084160d981fbb0addfc2151497c84ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-12-22T09:55:10Z",
    "title_canon_sha256": "ba66d12ec48b9d40440a7ada2576081a3a2a75f27d01de4ea0cde325da518275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.11901",
    "kind": "arxiv",
    "version": 1
  }
}