Pith Number

pith:XSYM64ZQ

pith:2016:XSYM64ZQHFMQGWLRPTVY4IA6ES

not attested not anchored not stored refs pending

The dust mass in Cassiopeia A from a spatially resolved Herschel analysis

B.M. Swinyard, H.L. Gomez, I. De Looze, J. Rho, M.J. Barlow, M. Matsuura, R. Wesson

arxiv:1611.00774 v2 · 2016-11-02 · 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{XSYM64ZQHFMQGWLRPTVY4IA6ES}

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	2026-05-18T00:52:14.098169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcb0cf733039590359717ceb8e201e24bfc88c379885183a8d8880998c6bae9f

Aliases

arxiv: 1611.00774 · arxiv_version: 1611.00774v2 · doi: 10.48550/arxiv.1611.00774 · pith_short_12: XSYM64ZQHFMQ · pith_short_16: XSYM64ZQHFMQGWLR · pith_short_8: XSYM64ZQ

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/XSYM64ZQHFMQGWLRPTVY4IA6ES \
  | 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: bcb0cf733039590359717ceb8e201e24bfc88c379885183a8d8880998c6bae9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "333625cbb788892778b6b718b6b8dad486195c31f86d278864fe9f1df5e4fea5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-02T20:00:06Z",
    "title_canon_sha256": "9aa7555f71b12f6af330fa7e980b99accfa11ab685d83fa7a31efd1915e262ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00774",
    "kind": "arxiv",
    "version": 2
  }
}