Pith Number

pith:PPKOFI6D

pith:2016:PPKOFI6DGKZBH7UUB5B6FDTE6M

not attested not anchored not stored refs pending

Does feedback help or hinder star formation? The effect of photoionisation on star formation in Giant Molecular Clouds

Asao Habe, Elizabeth J. Tasker, Kazuhiro Shima

arxiv:1612.06381 v1 · 2016-12-19 · 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{PPKOFI6DGKZBH7UUB5B6FDTE6M}

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	2026-05-18T00:35:04.885593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd4e2a3c332b213fe940f43e28e64f33b2de8897e1d8eaad45a03a2942f06a4

Aliases

arxiv: 1612.06381 · arxiv_version: 1612.06381v1 · doi: 10.48550/arxiv.1612.06381 · pith_short_12: PPKOFI6DGKZB · pith_short_16: PPKOFI6DGKZBH7UU · pith_short_8: PPKOFI6D

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/PPKOFI6DGKZBH7UUB5B6FDTE6M \
  | 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: 7bd4e2a3c332b213fe940f43e28e64f33b2de8897e1d8eaad45a03a2942f06a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c86c7444bc4a3d662433d9a83e19f3f6bab7ee73cea58d1cd59c16e14569e6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-19T20:00:57Z",
    "title_canon_sha256": "482c9997502ce502674dd7fa13b86effbeb8f759b66aa9ae77f7fcaa5f1d3b10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06381",
    "kind": "arxiv",
    "version": 1
  }
}