Pith Number

pith:IATGBU2T

pith:2012:IATGBU2TPRQX22Q3RSM4DD4VPW

not attested not anchored not stored refs pending

Measuring the Ultimate Mass of Galaxy Clusters: Redshifts and Mass Profiles from the Hectospec Cluster Survey (HeCS)

Antonaldo Diaferio, Kenneth Rines, Margaret J. Geller, Michael J. Kurtz

arxiv:1209.3786 v2 · 2012-09-17 · 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{IATGBU2TPRQX22Q3RSM4DD4VPW}

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	2026-05-18T01:54:27.187266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402660d3537c617d6a1b8c99c18f957d96fe2d90852cb5d64cee56e7a48a4b78

Aliases

arxiv: 1209.3786 · arxiv_version: 1209.3786v2 · doi: 10.48550/arxiv.1209.3786 · pith_short_12: IATGBU2TPRQX · pith_short_16: IATGBU2TPRQX22Q3 · pith_short_8: IATGBU2T

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/IATGBU2TPRQX22Q3RSM4DD4VPW \
  | 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: 402660d3537c617d6a1b8c99c18f957d96fe2d90852cb5d64cee56e7a48a4b78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7806b198f094e3a544569579f30d818818a025e01f68d7611ff96db32adde8bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-17T20:06:04Z",
    "title_canon_sha256": "42925c45ba82f25d0a9ea0e462c9ba597c26ad35028cedb308359bf79219dfdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3786",
    "kind": "arxiv",
    "version": 2
  }
}