Pith Number

pith:7MDP3URE

pith:2014:7MDP3UREPUOXMNWHXCBJUJJB4H

not attested not anchored not stored refs pending

Optical spectroscopic observations of gamma-ray blazars candidates I: preliminary results

A. Paggi, D. Milisavljevic, E. Jim\'enez-Bail\'on, F. Massaro, G. Tosti, H. A. Smith, H. Ot\'i-Floranes, J. E. Grindlay, J. R. Mart\'inez-Galarza, M. Giroletti, M. Landoni, N. Masetti, R. d'Abrusco, R. Margutti, S. Funk, V. Chavushyan

arxiv:1404.5211 v1 · 2014-04-21 · 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{7MDP3UREPUOXMNWHXCBJUJJB4H}

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	2026-05-18T01:43:26.819150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb06fdd2247d1d7636c7b8829a2521e1c53c65c4a31b39be4fa5e15a336b948e

Aliases

arxiv: 1404.5211 · arxiv_version: 1404.5211v1 · doi: 10.48550/arxiv.1404.5211 · pith_short_12: 7MDP3UREPUOX · pith_short_16: 7MDP3UREPUOXMNWH · pith_short_8: 7MDP3URE

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/7MDP3UREPUOXMNWHXCBJUJJB4H \
  | 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: fb06fdd2247d1d7636c7b8829a2521e1c53c65c4a31b39be4fa5e15a336b948e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9511cda89e6f26a059f8e7d609c1d35fd4d0f89a3787a2255cf5f77554d0e170",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-04-21T14:30:21Z",
    "title_canon_sha256": "0a00f744a1552c98e41622afb91545e775b9ad7f150b59e657b0f856e96faa56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5211",
    "kind": "arxiv",
    "version": 1
  }
}