Pith Number

pith:JTBUJZEH

pith:2015:JTBUJZEHGT7EZ3TOKFNYFCXIIA

not attested not anchored not stored refs pending

Intranight Optical Variability of Radio-Quiet Weak Emission Line Quasars-III

Gopal-Krishna (CBS), Hum Chand (ARIES), Parveen Kumar (ARIES)

arxiv:1501.02100 v1 · 2015-01-09 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTBUJZEHGT7EZ3TOKFNYFCXIIA}

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	2026-05-18T01:41:11.957898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cc344e48734fe4cee6e515b828ae84026b66a210ec023da0238769a29cb7da7

Aliases

arxiv: 1501.02100 · arxiv_version: 1501.02100v1 · doi: 10.48550/arxiv.1501.02100 · pith_short_12: JTBUJZEHGT7E · pith_short_16: JTBUJZEHGT7EZ3TO · pith_short_8: JTBUJZEH

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/JTBUJZEHGT7EZ3TOKFNYFCXIIA \
  | 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: 4cc344e48734fe4cee6e515b828ae84026b66a210ec023da0238769a29cb7da7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2f4e65757b9b7004c1d63cf2a451a3346cde89f734782c62191ef85074698dd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-09T10:49:34Z",
    "title_canon_sha256": "543b9404a869b183a74e791e138356a59337ae7a5e38fdd75b3973b7ebc639ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02100",
    "kind": "arxiv",
    "version": 1
  }
}