Pith Number

pith:HSUUBYKI

pith:2020:HSUUBYKIFTM6F2PLVP4QSBTONE

not attested not anchored not stored refs pending

Blazars at the Cosmic Dawn

Amanpreet Kaur, Benoit Lott, D. Hartmann, Greg Madejski, H. -M. Cao, M. Ajello, M. Giroletti, Vaidehi S. Paliya

arxiv:2006.01857 v1 · 2020-06-02 · 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{HSUUBYKIFTM6F2PLVP4QSBTONE}

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	2026-07-05T01:21:03.624505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ca940e1482cd9e2e9ebabf909066e693cc69140c59b1279f2237f4495e9f742

Aliases

arxiv: 2006.01857 · arxiv_version: 2006.01857v1 · doi: 10.48550/arxiv.2006.01857 · pith_short_12: HSUUBYKIFTM6 · pith_short_16: HSUUBYKIFTM6F2PL · pith_short_8: HSUUBYKI

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/HSUUBYKIFTM6F2PLVP4QSBTONE \
  | 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: 3ca940e1482cd9e2e9ebabf909066e693cc69140c59b1279f2237f4495e9f742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48697ada8dd4559344348b8dc123411ca67f83def89d8321dad2f01af22e4599",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-06-02T18:16:13Z",
    "title_canon_sha256": "b88abed7f8922a77a7c9f78000bb0aa4996ef1d2c04afa98de47de36311d0a1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.01857",
    "kind": "arxiv",
    "version": 1
  }
}