Pith Number

pith:NBGGJLOH

pith:1997:NBGGJLOHZBFSYRBTJU73KVPNOY

not attested not anchored not stored refs pending

VLBA Imaging of the OH Maser in IIIZw35

A. S. Trotter, & C. R. Gwinn, J. M. Moran, L. J. Greenhill, X.-W. Zheng

arxiv:astro-ph/9707007 v1 · 1997-07-01 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBGGJLOHZBFSYRBTJU73KVPNOY}

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	2026-05-18T01:07:38.235868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684c64adc7c84b2c44334d3fb555ed76148417242dfef2eb5660c9e4066ead8b

Aliases

arxiv: astro-ph/9707007 · arxiv_version: astro-ph/9707007v1 · doi: 10.48550/arxiv.astro-ph/9707007 · pith_short_12: NBGGJLOHZBFS · pith_short_16: NBGGJLOHZBFSYRBT · pith_short_8: NBGGJLOH

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/NBGGJLOHZBFSYRBTJU73KVPNOY \
  | 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: 684c64adc7c84b2c44334d3fb555ed76148417242dfef2eb5660c9e4066ead8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "026c424fa5c2a0f9136a173f2aef323436dbda32482cc1dfc32c43994254db33",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-07-01T18:53:55Z",
    "title_canon_sha256": "dbcb1e2740745a85eb9178b7aadbf14e8adb7e2d141255cf7b5040dc88115a3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9707007",
    "kind": "arxiv",
    "version": 1
  }
}