Pith Number

pith:HTMQMTFC

pith:2007:HTMQMTFCWGFY237X5J4SOBTUBF

not attested not anchored not stored refs pending

Spitzer Space Telescope Observations of Kepler's Supernova Remnant: A Detailed Look at the Circumstellar Dust Component

Brian J. Williams, Kazimierz J. Borkowski, Knox S. Long, Parviz Ghavamian, Stephen P. Reynolds & Ravi Sankrit, William P. Blair

arxiv:astro-ph/0703660 v1 · 2007-03-26 · 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{HTMQMTFCWGFY237X5J4SOBTUBF}

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	2026-05-18T04:29:05.417233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cd9064ca2b18b8d6ff7ea792706740969771ff1f2bd5f71882c7de24c914275

Aliases

arxiv: astro-ph/0703660 · arxiv_version: astro-ph/0703660v1 · doi: 10.48550/arxiv.astro-ph/0703660 · pith_short_12: HTMQMTFCWGFY · pith_short_16: HTMQMTFCWGFY237X · pith_short_8: HTMQMTFC

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/HTMQMTFCWGFY237X5J4SOBTUBF \
  | 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: 3cd9064ca2b18b8d6ff7ea792706740969771ff1f2bd5f71882c7de24c914275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42783ad9b315a4e81617b6b48a4125b6410eaaa6eafa0fcb01a094c881c5a065",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-26T19:45:53Z",
    "title_canon_sha256": "975ab36732a94e60d63d6b890851c9405fc2ceef2f4f6e5e19eddb10c58a5067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703660",
    "kind": "arxiv",
    "version": 1
  }
}