Pith Number

pith:GQLO7O2M

pith:2012:GQLO7O2MIBDCAH7LTXQDCGMJLM

not attested not anchored not stored refs pending

A Fast Flare and Direct Redshift Constraint in Far-UV Spectra of the Blazar S50716+714

Brian A. Keeney (University of Colorado), Charles W. Danforth, Kevin France, Krzysztof Nalewajko

arxiv:1209.3325 v2 · 2012-09-14 · 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{GQLO7O2MIBDCAH7LTXQDCGMJLM}

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	2026-05-18T01:54:28.829160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3416efbb4c4046201feb9de03119895b2bf077aaee76db6042a89609bd1f3cde

Aliases

arxiv: 1209.3325 · arxiv_version: 1209.3325v2 · doi: 10.48550/arxiv.1209.3325 · pith_short_12: GQLO7O2MIBDC · pith_short_16: GQLO7O2MIBDCAH7L · pith_short_8: GQLO7O2M

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/GQLO7O2MIBDCAH7LTXQDCGMJLM \
  | 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: 3416efbb4c4046201feb9de03119895b2bf077aaee76db6042a89609bd1f3cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b99bc557ddef638a93230b4d2a789727fafca19fe4677957493b4a993098f8f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-09-14T21:03:41Z",
    "title_canon_sha256": "516453f6587d1a83bb37c05e13b8d2aacdf73e34044b48f88234fff9524e4dd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3325",
    "kind": "arxiv",
    "version": 2
  }
}