Pith Number

pith:MGTPQM6Q

pith:2021:MGTPQM6QN5PL6SE47SRRDVXMFW

not attested not anchored not stored refs pending

Evidence for a Compact Object in the Aftermath of the Extra-Galactic Transient AT2018cow

Alice Harding, Andrew Fabian, Brian D. Metzger, Deepto Chakrabarty, Dheeraj R. Pasham (MIT), Diego Altamirano, Edward M. Cackett, Francesco Tombesi, James F. Steiner, Jeroen Homan, Jon Miller, Keith Gendreau, Mason Ng, Peter Bult, Ronald Remillard, Tod Strohmayer, William Alston, Wynn C. G. Ho, Zaven Arzoumanian

arxiv:2112.04531 v2 · 2021-12-08 · 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{MGTPQM6QN5PL6SE47SRRDVXMFW}

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.

Cited by

1 paper in Pith

AT2019ijn: a fast-rising, slow-decaying blue optical transient with exceptionally bright radio emission

Receipt and verification

First computed	2026-07-05T03:42:25.376729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61a6f833d06f5ebf489cfca311d6ec2d982d0935982faf4dbb87dc450bbb30e3

Aliases

arxiv: 2112.04531 · arxiv_version: 2112.04531v2 · doi: 10.48550/arxiv.2112.04531 · pith_short_12: MGTPQM6QN5PL · pith_short_16: MGTPQM6QN5PL6SE4 · pith_short_8: MGTPQM6Q

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/MGTPQM6QN5PL6SE47SRRDVXMFW \
  | 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: 61a6f833d06f5ebf489cfca311d6ec2d982d0935982faf4dbb87dc450bbb30e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b78f910bf020ff426260817385433532f8518a6879af99fb98684f012f71183",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-12-08T19:13:19Z",
    "title_canon_sha256": "f8c97b36b96a6ccfc07fefceb31792d60c5ef39ca5cc0730e6b0d1e3fd14bf32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.04531",
    "kind": "arxiv",
    "version": 2
  }
}