Pith Number

pith:ISGKASFE

pith:2018:ISGKASFE7YT33VQ7FCVOFC3MHZ

not attested not anchored not stored refs pending

Extragalactic maser surveys

C. Henkel, F. Kamali, J.-E. Greene

arxiv:1802.04727 v1 · 2018-02-13 · 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{ISGKASFE7YT33VQ7FCVOFC3MHZ}

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	2026-05-18T00:07:40.833161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448ca048a4fe27bdd61f28aae28b6c3e581cd19f38572a22deeabe8699a7d7f7

Aliases

arxiv: 1802.04727 · arxiv_version: 1802.04727v1 · doi: 10.48550/arxiv.1802.04727 · pith_short_12: ISGKASFE7YT3 · pith_short_16: ISGKASFE7YT33VQ7 · pith_short_8: ISGKASFE

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/ISGKASFE7YT33VQ7FCVOFC3MHZ \
  | 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: 448ca048a4fe27bdd61f28aae28b6c3e581cd19f38572a22deeabe8699a7d7f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5795f2629244b8223163f99f3d8123b2ecf56b54dadb066d832b46ef0dbd3987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-13T16:48:43Z",
    "title_canon_sha256": "e30b1fdbe71b1700e2d538c989d407778019d7f725f2688d159c16bab3b47959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04727",
    "kind": "arxiv",
    "version": 1
  }
}