Pith Number

pith:DTVYWMIO

pith:2026:DTVYWMIO57JXRMULE3EYZN6I5C

not attested not anchored not stored refs pending

Chandra X-ray Observations of the Pulsar Wind Nebula within CTA 1

Alexander Lange, Jason Alford, Joseph Gelfand, Oleg Kargaltsev, Seth Gagnon

arxiv:2605.21278 v1 · 2026-05-20 · 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{DTVYWMIO57JXRMULE3EYZN6I5C}

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	2026-05-21T02:05:26.747269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ceb8b310eefd378b28b26c98cb7c8e8b9ad3e00c5d96002bbb026f60d5d6dab

Aliases

arxiv: 2605.21278 · arxiv_version: 2605.21278v1 · doi: 10.48550/arxiv.2605.21278 · pith_short_12: DTVYWMIO57JX · pith_short_16: DTVYWMIO57JXRMUL · pith_short_8: DTVYWMIO

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/DTVYWMIO57JXRMULE3EYZN6I5C \
  | 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: 1ceb8b310eefd378b28b26c98cb7c8e8b9ad3e00c5d96002bbb026f60d5d6dab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92eed094b779f6c272be4ab5a03711ac164ce0f6d5cf5737d0311feafe08bcd9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-20T15:09:48Z",
    "title_canon_sha256": "2d365ddc14ad430ff7765c145ecdaa679984373283e15483cb257e17c82ca3f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21278",
    "kind": "arxiv",
    "version": 1
  }
}