Pith Number

pith:VXJWBPNJ

pith:2021:VXJWBPNJO4P6OVYCFV6BHYS4YR

not attested not anchored not stored refs pending

A Spectroscopic Study of Supernova Remnants with the Infrared Space Observatory

Aravind P. Ravi, Jeonghee Rho, Matthew J. Millard, Sangwook Park

arxiv:2108.07461 v2 · 2021-08-17 · 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{VXJWBPNJO4P6OVYCFV6BHYS4YR}

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	2026-07-05T03:34:32.383707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

add360bda9771fe757022d7c13e25cc469cbcaccf4d3af310d847d2ffabb3eb3

Aliases

arxiv: 2108.07461 · arxiv_version: 2108.07461v2 · doi: 10.48550/arxiv.2108.07461 · pith_short_12: VXJWBPNJO4P6 · pith_short_16: VXJWBPNJO4P6OVYC · pith_short_8: VXJWBPNJ

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/VXJWBPNJO4P6OVYCFV6BHYS4YR \
  | 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: add360bda9771fe757022d7c13e25cc469cbcaccf4d3af310d847d2ffabb3eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "590492cc4e47b0d71465319da3d63f9a4d49b83044e6f65031a9d4686250994b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-17T06:34:35Z",
    "title_canon_sha256": "640ebab8f92ef032b93629177e81f0bb11a6cf8b2d73ed547fb8b03fdf5a206d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07461",
    "kind": "arxiv",
    "version": 2
  }
}