Pith Number

pith:SV3GFTRE

pith:2011:SV3GFTREUTFG3CG4I32LVSVHPC

not attested not anchored not stored refs pending

1ES 0229+200: An extreme blazar with a very high minimum Lorentz factor

M. Hauser, O. Tibolla, S.J. Wagner, S. Kaufmann

arxiv:1109.3628 v1 · 2011-09-16 · 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{SV3GFTREUTFG3CG4I32LVSVHPC}

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	2026-05-18T02:00:31.826743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

957662ce24a4ca6d88dc46f4bacaa7789810636e42d1c5bd9264a09412751398

Aliases

arxiv: 1109.3628 · arxiv_version: 1109.3628v1 · doi: 10.48550/arxiv.1109.3628 · pith_short_12: SV3GFTREUTFG · pith_short_16: SV3GFTREUTFG3CG4 · pith_short_8: SV3GFTRE

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/SV3GFTREUTFG3CG4I32LVSVHPC \
  | 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: 957662ce24a4ca6d88dc46f4bacaa7789810636e42d1c5bd9264a09412751398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f10eb4fa8b9c40b05606c0232d429e53485c68d7b627684b0583886cdc780dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-09-16T14:25:02Z",
    "title_canon_sha256": "5676af303c77beac9de5181227fa938bd2d83192fcd28ac261d5bd3bb8109140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3628",
    "kind": "arxiv",
    "version": 1
  }
}