Pith Number

pith:HRVEMKB6

pith:2016:HRVEMKB6GWGNW57YNDNXYGZE2R

not attested not anchored not stored refs pending

Cosmological surveys with multi-object spectrographs

Matthew Colless

arxiv:1608.04454 v1 · 2016-08-16 · astro-ph.IM · 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{HRVEMKB6GWGNW57YNDNXYGZE2R}

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	2026-05-18T01:08:37.242655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6a46283e358cdb77f868db7c1b24d45fc248e6f7f9da0e4ff1891aabf521a3

Aliases

arxiv: 1608.04454 · arxiv_version: 1608.04454v1 · doi: 10.48550/arxiv.1608.04454 · pith_short_12: HRVEMKB6GWGN · pith_short_16: HRVEMKB6GWGNW57Y · pith_short_8: HRVEMKB6

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/HRVEMKB6GWGNW57YNDNXYGZE2R \
  | 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: 3c6a46283e358cdb77f868db7c1b24d45fc248e6f7f9da0e4ff1891aabf521a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6128874751dbadb67fe8f0a12adbbccc8e3ff58a17f2baeb16593da8ad5a5fa3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-16T01:16:43Z",
    "title_canon_sha256": "d97330173fc5565d442bedd20c0aee0c20f91825bb23b1c473921b28020fd56b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04454",
    "kind": "arxiv",
    "version": 1
  }
}