Pith Number

pith:QBA25GFD

pith:2016:QBA25GFD6SKURR6CTDPKTMGOAQ

not attested not anchored not stored refs pending

Monitoring luminous yellow massive stars in M33: new yellow hypergiant candidates

A.Z. Bonanos, C.-H. Lee, D. Garcia-Alvarez, L.M. Macri, M. Kourniotis, W. Yuan

arxiv:1612.06853 v2 · 2016-12-20 · astro-ph.SR · 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{QBA25GFD6SKURR6CTDPKTMGOAQ}

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	2026-05-18T00:44:47.158541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8041ae98a3f49548c7c298dea9b0ce0420cce1e06c6d2aaf26734e869c778d45

Aliases

arxiv: 1612.06853 · arxiv_version: 1612.06853v2 · doi: 10.48550/arxiv.1612.06853 · pith_short_12: QBA25GFD6SKU · pith_short_16: QBA25GFD6SKURR6C · pith_short_8: QBA25GFD

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/QBA25GFD6SKURR6CTDPKTMGOAQ \
  | 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: 8041ae98a3f49548c7c298dea9b0ce0420cce1e06c6d2aaf26734e869c778d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce028be630310ea3a88937c606b4db7037a4371d0a6ba5eab94ea2ef9b91e4bf",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-20T20:59:47Z",
    "title_canon_sha256": "4307cfae006869239cb0fed9b9f9c8180a964076d6d9368ebbb6fe9e0a48f392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06853",
    "kind": "arxiv",
    "version": 2
  }
}