Pith Number

pith:NEKSMF2H

pith:2016:NEKSMF2HPGAVNIPIP7VMN6K7VF

not attested not anchored not stored refs pending

First Search for an X-ray -- Optical Reverberation Signal in an Ultraluminous X-ray Source

Dheeraj R. Pasham (NASA/GSFC & JSI), Margaret L. Trippe, Poshak Gandhi, Richard F. Mushotzky, S. Bradley Cenko, Tod E. Strohmayer

arxiv:1601.02638 v1 · 2016-01-11 · 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{NEKSMF2HPGAVNIPIP7VMN6K7VF}

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	2026-05-18T01:20:40.338835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6915261747798156a1e87feac6f95fa96d891263216650b1e44ae74eb5345d2d

Aliases

arxiv: 1601.02638 · arxiv_version: 1601.02638v1 · doi: 10.48550/arxiv.1601.02638 · pith_short_12: NEKSMF2HPGAV · pith_short_16: NEKSMF2HPGAVNIPI · pith_short_8: NEKSMF2H

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/NEKSMF2HPGAVNIPIP7VMN6K7VF \
  | 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: 6915261747798156a1e87feac6f95fa96d891263216650b1e44ae74eb5345d2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e79e8e068309e58f8c1f21858f7b94f3e1f9ccb48a5f76d8f38ffa6f463a361",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-01-11T21:02:53Z",
    "title_canon_sha256": "c40ce6f31e87c30ed2c631ec9753116bc6ad880a5066df9275fa6be501a6cdcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02638",
    "kind": "arxiv",
    "version": 1
  }
}