Pith Number

pith:E7ETJ4I5

pith:2010:E7ETJ4I56OFPV7K2YVCTEMIMQT

not attested not anchored not stored refs pending

The UK Infrared Telescope M33 monitoring project. I. Variable red giant stars in the central square kiloparsec

Atefeh Javadi (Alzahra University Iran / Keele University UK), Jacco Th. van Loon (Keele), Mohammad Taghi Mirtorabi (Alzahra)

arxiv:1009.1822 v1 · 2010-09-09 · 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{E7ETJ4I56OFPV7K2YVCTEMIMQT}

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	2026-05-18T02:05:32.556966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c934f11df38afafd5ac54532310c84f4fc92578ae1ad3fdf76516a9fc02e7c

Aliases

arxiv: 1009.1822 · arxiv_version: 1009.1822v1 · doi: 10.48550/arxiv.1009.1822 · pith_short_12: E7ETJ4I56OFP · pith_short_16: E7ETJ4I56OFPV7K2 · pith_short_8: E7ETJ4I5

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/E7ETJ4I56OFPV7K2YVCTEMIMQT \
  | 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: 27c934f11df38afafd5ac54532310c84f4fc92578ae1ad3fdf76516a9fc02e7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf7f1482d6e0d8462fa23f4fcd39f72e30a544830a431c6e1bbbfafa65b88a3a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-09T16:47:59Z",
    "title_canon_sha256": "62e536a92e490306a64192474d69894b53c8cf1d78f3f162874f95b50f58733c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1822",
    "kind": "arxiv",
    "version": 1
  }
}