Pith Number

pith:4HX3BJ43

pith:2017:4HX3BJ43DHMC2TVOZQZDFR6ZDL

not attested not anchored not stored refs pending

Origin of X-rays in the low state of the FSRQ 3C 273: Evidence of inverse Compton emission

Alok C. Gupta, Gulab C. Dewangan, Kalpana Duorah, Nibedita Kalita, Paul J. Wiita

arxiv:1705.02721 v1 · 2017-05-08 · 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{4HX3BJ43DHMC2TVOZQZDFR6ZDL}

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	2026-05-18T00:28:35.481521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1efb0a79b19d82d4eaecc3232c7d91ace65f58e76fda7557580b522e8a8cf63

Aliases

arxiv: 1705.02721 · arxiv_version: 1705.02721v1 · doi: 10.48550/arxiv.1705.02721 · pith_short_12: 4HX3BJ43DHMC · pith_short_16: 4HX3BJ43DHMC2TVO · pith_short_8: 4HX3BJ43

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/4HX3BJ43DHMC2TVOZQZDFR6ZDL \
  | 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: e1efb0a79b19d82d4eaecc3232c7d91ace65f58e76fda7557580b522e8a8cf63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cd37c8951a61e545f0572ef56f29e424404adb8d897e3058594548ab42bf4c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-05-08T01:35:19Z",
    "title_canon_sha256": "88a41cc38730ac2a00e8c916173fba65d35c00d8fbd564fa96c91419ae9ff012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02721",
    "kind": "arxiv",
    "version": 1
  }
}