Pith Number

pith:IFSAA3NB

pith:2021:IFSAA3NBZ4S2YDCYFK33BWBMZN

not attested not anchored not stored refs pending

Are all post-starbursts mergers? HST reveals hidden disturbances in the majority of PSBs

Andreea Petric, Anne M. Medling, Claudia M. Urry, Decker French, Elizaveta Sazonova, Gregory F. Snyder, Justin A. Otter, Kate Rowlands, Katherine Alatalo, Kristina Nyland, Lauranne Lanz, Susana E. Deustua, Timothy M. Heckman, Ute Lisenfeld, Yuanze Luo

arxiv:2105.09956 v1 · 2021-05-20 · 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{IFSAA3NBZ4S2YDCYFK33BWBMZN}

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	2026-07-05T03:21:49.428970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4164006da1cf25ac0c582ab7b0d82ccb788cb2ad58d985b0c1feb56b88d1f2bc

Aliases

arxiv: 2105.09956 · arxiv_version: 2105.09956v1 · doi: 10.48550/arxiv.2105.09956 · pith_short_12: IFSAA3NBZ4S2 · pith_short_16: IFSAA3NBZ4S2YDCY · pith_short_8: IFSAA3NB

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/IFSAA3NBZ4S2YDCYFK33BWBMZN \
  | 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: 4164006da1cf25ac0c582ab7b0d82ccb788cb2ad58d985b0c1feb56b88d1f2bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e3eb653a47b436becbb6f4a8d6c1716903b2732cd022911947f88edc51ff079",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-20T18:00:01Z",
    "title_canon_sha256": "4c902f27f7609ff19cc4a80589000d139879a9dbfad3f718eb7379f7f499f96f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09956",
    "kind": "arxiv",
    "version": 1
  }
}