Pith Number

pith:ZACC3P6S

pith:2016:ZACC3P6SII7II4P4UHPNQ63TW5

not attested not anchored not stored refs pending

SN 1978K: An evolved supernova outside our Local Group detected at millimetre wavelengths

1), (2) QUB, (3) Rice Univ., (4) INAF, 5), (5) ICRAR, (6) Macquarie Univ.), E. C. Kool (6, I. A. Smith (3), J. Polshaw (2) ((1) AAO, R. Kotak (2), S. D. Ryder (1), S. J. Tingay (4

arxiv:1610.03149 v2 · 2016-10-11 · astro-ph.HE · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZACC3P6SII7II4P4UHPNQ63TW5}

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	2026-05-18T00:58:56.459369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8042dbfd2423e8471fca1ded87b73b76e4f34de45d1929977850b12e555f03b

Aliases

arxiv: 1610.03149 · arxiv_version: 1610.03149v2 · doi: 10.48550/arxiv.1610.03149 · pith_short_12: ZACC3P6SII7I · pith_short_16: ZACC3P6SII7II4P4 · pith_short_8: ZACC3P6S

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/ZACC3P6SII7II4P4UHPNQ63TW5 \
  | 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: c8042dbfd2423e8471fca1ded87b73b76e4f34de45d1929977850b12e555f03b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5102d97eb94600ed3600f855e3f159e4634952aac0bd9a071d0157f4ebcc6b29",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-10-11T01:17:01Z",
    "title_canon_sha256": "2716771be9ed0f485295b6962b23ca1f1e853a367090e1bc42429771e7d966fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03149",
    "kind": "arxiv",
    "version": 2
  }
}