Pith Number

pith:PO7X2BNP

pith:2021:PO7X2BNPUYTGW5L6GKJX7MZ3C4

not attested not anchored not stored refs pending

Detection of new Extreme BL Lac objects with H.E.S.S. and Swift XRT

Angel Priyana Noel, David A. Sanchez (for the H.E.S.S., Fermi-LAT Collaborations), Manuel Meyer, Mathieu de Bony de Lavergne, Tomas Bylund

arxiv:2108.02232 v1 · 2021-08-04 · 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{PO7X2BNPUYTGW5L6GKJX7MZ3C4}

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.

Cited by

1 paper in Pith

Fermi-Large Area Telescope Detection of Very High Energy (>100 GeV) Emission from Compton-Dominated Blazars

Receipt and verification

First computed	2026-07-05T04:59:13.039153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bbf7d05afa6266b757e32937fb33b17100ccd6b0f716a192fd03c1428ef7d5d

Aliases

arxiv: 2108.02232 · arxiv_version: 2108.02232v1 · doi: 10.48550/arxiv.2108.02232 · pith_short_12: PO7X2BNPUYTG · pith_short_16: PO7X2BNPUYTGW5L6 · pith_short_8: PO7X2BNP

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/PO7X2BNPUYTGW5L6GKJX7MZ3C4 \
  | 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: 7bbf7d05afa6266b757e32937fb33b17100ccd6b0f716a192fd03c1428ef7d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e7f5eec4c6c1d1c6229b03cfb5ce09bbc4f18d78603da10f378ae9474f7b8cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-04T18:24:16Z",
    "title_canon_sha256": "7d9c49bc0303d46c13400666756a58e43587c70e6a8229dcf8cdc3a51800479b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02232",
    "kind": "arxiv",
    "version": 1
  }
}