Pith Number

pith:EWZEQAKF

pith:2021:EWZEQAKFET3YSNEGNVTLLAW4AS

not attested not anchored not stored refs pending

Completing the X-ray view of the recently discovered supernova remnant G53.41+0.03

J. Vink, L. Driessen, L. Sun, P. Zhou, V. Dom\v{c}ek

arxiv:2105.02661 v3 · 2021-05-06 · 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{EWZEQAKFET3YSNEGNVTLLAW4AS}

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	2026-07-05T04:04:19.200709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b248014524f78934866d66b582dc04831b99fa57b5000b02b726fdfdfacb56

Aliases

arxiv: 2105.02661 · arxiv_version: 2105.02661v3 · doi: 10.48550/arxiv.2105.02661 · pith_short_12: EWZEQAKFET3Y · pith_short_16: EWZEQAKFET3YSNEG · pith_short_8: EWZEQAKF

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/EWZEQAKFET3YSNEGNVTLLAW4AS \
  | 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: 25b248014524f78934866d66b582dc04831b99fa57b5000b02b726fdfdfacb56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d51e7c9b96ddf3c89bc37a5853844351ed396106d4e3f28eb4e7046fb313548",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-05-06T13:41:05Z",
    "title_canon_sha256": "60bff265e3bc6659703abe853d11e01964dc225ec0ba0438817b3ca8975b04a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02661",
    "kind": "arxiv",
    "version": 3
  }
}