Pith Number

pith:IFQVB3WS

pith:2015:IFQVB3WS2VX6AL2BE7S5PUX3C4

not attested not anchored not stored refs pending

Temporal Evolution of the Size and Temperature of Betelgeuse's Extended Atmosphere

Alexander Brown, Anita M. S. Richards, Eamon O'Gorman, Edward F. Guinan, Graham M. Harper, Richard Wasatonic, Wouter Vlemmings

arxiv:1506.07536 v1 · 2015-06-24 · 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{IFQVB3WS2VX6AL2BE7S5PUX3C4}

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	2026-05-18T01:35:07.435896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416150eed2d56fe02f4127e5d7d2fb17350a66acdbfeff0197e1ca26a6dfb93e

Aliases

arxiv: 1506.07536 · arxiv_version: 1506.07536v1 · doi: 10.48550/arxiv.1506.07536 · pith_short_12: IFQVB3WS2VX6 · pith_short_16: IFQVB3WS2VX6AL2B · pith_short_8: IFQVB3WS

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/IFQVB3WS2VX6AL2BE7S5PUX3C4 \
  | 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: 416150eed2d56fe02f4127e5d7d2fb17350a66acdbfeff0197e1ca26a6dfb93e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1339d2a7785d3906e1b99534e04e166fc6f6938516eb6394411b7e46e32292a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-24T20:01:37Z",
    "title_canon_sha256": "2d376a3894795a3c1af17a2bfefcbdd0d0d75d64fbbc57061104b7527d405689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07536",
    "kind": "arxiv",
    "version": 1
  }
}