Pith Number

pith:FMQFBTKN

pith:2018:FMQFBTKNZXLB5JPKB64RF56E2X

not attested not anchored not stored refs pending

Age Determinations of the Hyades, Praesepe, and Pleiades via MESA Models with Rotation

Aaron Dotter, Andrew Dolphin, Charlie Conroy, Jieun Choi, Philip Cargile, Philip Rosenfield, Seth Gossage

arxiv:1804.06441 v2 · 2018-04-17 · 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{FMQFBTKNZXLB5JPKB64RF56E2X}

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	2026-05-18T00:08:07.518126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2050cd4dcdd61ea5ea0fb912f7c4d5f50be6e5c1564b403db3b61006cd6eb3

Aliases

arxiv: 1804.06441 · arxiv_version: 1804.06441v2 · doi: 10.48550/arxiv.1804.06441 · pith_short_12: FMQFBTKNZXLB · pith_short_16: FMQFBTKNZXLB5JPK · pith_short_8: FMQFBTKN

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/FMQFBTKNZXLB5JPKB64RF56E2X \
  | 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: 2b2050cd4dcdd61ea5ea0fb912f7c4d5f50be6e5c1564b403db3b61006cd6eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0d224943afeb20df15b46332d7bb04483ee8bb2b653c784513b432d90527f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-17T19:17:05Z",
    "title_canon_sha256": "7fd940ee0ac8706d77d5976689f98c55b6948fc36de076a9b90ee35feb814145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06441",
    "kind": "arxiv",
    "version": 2
  }
}