Pith Number

pith:XD3L77OZ

pith:2022:XD3L77OZU3HWOIYAHNQS4RZ5GP

not attested not anchored not stored refs pending

Extragalactic fast X-ray transient candidates discovered by Chandra (2000-2014)

A. J. Levan, B. Luo, D. Eappachen, F. E. Bauer, G. Yang, J. Quirola-Vasquez, P. G. Jonker, W. N. Brandt, X. C. Zheng, Y. Q. Xue

arxiv:2201.07773 v2 · 2022-01-19 · 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{XD3L77OZU3HWOIYAHNQS4RZ5GP}

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	2026-07-05T04:45:15.895719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8f6bffdd9a6cf6723003b612e473d33ec238b3bf4658b5548c8d3fa1101d588

Aliases

arxiv: 2201.07773 · arxiv_version: 2201.07773v2 · doi: 10.48550/arxiv.2201.07773 · pith_short_12: XD3L77OZU3HW · pith_short_16: XD3L77OZU3HWOIYA · pith_short_8: XD3L77OZ

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/XD3L77OZU3HWOIYAHNQS4RZ5GP \
  | 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: b8f6bffdd9a6cf6723003b612e473d33ec238b3bf4658b5548c8d3fa1101d588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "976e43cd29e5812e4b6514a218bdd0d19401a53a596edbf36c231574374d788b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-01-19T18:30:32Z",
    "title_canon_sha256": "8c0a9cdde81d031349db4074cb585b522614a0ab3ceaa5f0bca57dd1e9c2ec9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07773",
    "kind": "arxiv",
    "version": 2
  }
}