Pith Number

pith:UL4YAOM4

pith:2021:UL4YAOM43GPROS7B3AEDAXPZRP

not attested not anchored not stored refs pending

A global view of shocked plasma in the supernova remnant Puppis A provided by SRG/eROSITA

Manami Sasaki, Martin G. F. Mayer, Michael Freyberg, Peter Predehl, Werner Becker

arxiv:2110.12220 v2 · 2021-10-23 · 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{UL4YAOM43GPROS7B3AEDAXPZRP}

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	2026-07-05T04:24:13.504217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2f980399cd99f174be1d808305df98bf94e6ef321101c584039e643ff07b6cc

Aliases

arxiv: 2110.12220 · arxiv_version: 2110.12220v2 · doi: 10.48550/arxiv.2110.12220 · pith_short_12: UL4YAOM43GPR · pith_short_16: UL4YAOM43GPROS7B · pith_short_8: UL4YAOM4

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/UL4YAOM43GPROS7B3AEDAXPZRP \
  | 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: a2f980399cd99f174be1d808305df98bf94e6ef321101c584039e643ff07b6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "306ac2c59452f03b1ad735fda919159a1a34db729c8a290d7342feffc8f44f9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-10-23T13:42:58Z",
    "title_canon_sha256": "fef8a06f01b49488b94bd6834915d2048e53504f991db6c0842ac1ad6e58bbae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.12220",
    "kind": "arxiv",
    "version": 2
  }
}