Pith Number

pith:THYZYDOF

pith:2001:THYZYDOFSZQSEACIYFFBENVL2L

not attested not anchored not stored refs pending

Propagation of ultra-high energy protons in regular extragalactic magnetic fields

David Seckel, Ralph Engel, Todor Stanev

arxiv:astro-ph/0108338 v2 · 2001-08-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THYZYDOFSZQSEACIYFFBENVL2L}

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	2026-05-18T04:22:20.085376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99f19c0dc59661220048c14a1236abd2d0b249fcebb6b56364f86823e78f74da

Aliases

arxiv: astro-ph/0108338 · arxiv_version: astro-ph/0108338v2 · doi: 10.48550/arxiv.astro-ph/0108338 · pith_short_12: THYZYDOFSZQS · pith_short_16: THYZYDOFSZQSEACI · pith_short_8: THYZYDOF

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/THYZYDOFSZQSEACIYFFBENVL2L \
  | 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: 99f19c0dc59661220048c14a1236abd2d0b249fcebb6b56364f86823e78f74da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e17acee67a358f67639388229a01b78b849a6ca2960f3ff47507bea8c9924a6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-21T15:32:58Z",
    "title_canon_sha256": "8eada03eb63e060170c9590fcddec8f62223b7b7c17bedade34e80c9010480db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108338",
    "kind": "arxiv",
    "version": 2
  }
}