Pith Number

pith:VYKTXOBR

pith:2016:VYKTXOBRECVZFJ5SUTKBPPDPW2

not attested not anchored not stored refs pending

Formation and survival of Population III stellar systems

Shingo Hirano, Volker Bromm

arxiv:1612.06387 v2 · 2016-12-19 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYKTXOBRECVZFJ5SUTKBPPDPW2}

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	2026-05-18T00:44:15.695432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae153bb83120ab92a7b2a4d417bc6fb6ac26f238dc88db757d195a3cf37c085c

Aliases

arxiv: 1612.06387 · arxiv_version: 1612.06387v2 · doi: 10.48550/arxiv.1612.06387 · pith_short_12: VYKTXOBRECVZ · pith_short_16: VYKTXOBRECVZFJ5S · pith_short_8: VYKTXOBR

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/VYKTXOBRECVZFJ5SUTKBPPDPW2 \
  | 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: ae153bb83120ab92a7b2a4d417bc6fb6ac26f238dc88db757d195a3cf37c085c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4395d85c65b32ddc2129d9449218a7154fa6c7d1ca777199de61742ffdba4b49",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-19T21:00:01Z",
    "title_canon_sha256": "3b0bf661d323e861276b230aaad9dcc1c6a47a2ffc5053c722d0a2a331770f70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06387",
    "kind": "arxiv",
    "version": 2
  }
}