Pith Number

pith:AXQZCXM3

pith:2015:AXQZCXM34DSTPMARSQUQFHZ2KP

not attested not anchored not stored refs pending

Active Galactic Nuclei: The TeV Challenge

J. Zrake, K. Nalewajko, R. Blandford, W. East, Y. Yuan

arxiv:1511.07515 v1 · 2015-11-24 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXQZCXM34DSTPMARSQUQFHZ2KP}

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	2026-05-18T01:26:04.599961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05e1915d9be0e537b0119429029f3a53c5895cf7487de3fdd6d51d379cfa6d14

Aliases

arxiv: 1511.07515 · arxiv_version: 1511.07515v1 · doi: 10.48550/arxiv.1511.07515 · pith_short_12: AXQZCXM34DST · pith_short_16: AXQZCXM34DSTPMAR · pith_short_8: AXQZCXM3

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/AXQZCXM34DSTPMARSQUQFHZ2KP \
  | 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: 05e1915d9be0e537b0119429029f3a53c5895cf7487de3fdd6d51d379cfa6d14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86776b47589c5961bfa08036689a2fb8520fb63c9b76f2960dc5087731596448",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-11-24T00:06:17Z",
    "title_canon_sha256": "89f52e81aafd541eb91d0ae6fef8eff7bc7610d43cd3d65b57e1ff4d4b7b8702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07515",
    "kind": "arxiv",
    "version": 1
  }
}