Pith Number

pith:ZICZAYQ7

pith:2020:ZICZAYQ7WTH6IKWUWTJUPVCCOX

not attested not anchored not stored refs pending

NGC7538 IRS1 -- an O star driving an ionized jet and giant N-S outflow

B. Mookerjea, G. Sandell, H. Wiesemeyer, M. Wright, N. Reyes, R. G\"usten, S. Corder

arxiv:2010.04289 v1 · 2020-10-08 · 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{ZICZAYQ7WTH6IKWUWTJUPVCCOX}

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	2026-07-05T01:57:55.602217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca0590621fb4cfe42ad4b4d347d44275fb4eb9d1a99de52da9aba8acf96b4430

Aliases

arxiv: 2010.04289 · arxiv_version: 2010.04289v1 · doi: 10.48550/arxiv.2010.04289 · pith_short_12: ZICZAYQ7WTH6 · pith_short_16: ZICZAYQ7WTH6IKWU · pith_short_8: ZICZAYQ7

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/ZICZAYQ7WTH6IKWUWTJUPVCCOX \
  | 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: ca0590621fb4cfe42ad4b4d347d44275fb4eb9d1a99de52da9aba8acf96b4430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b6097a19c27a98dcd2f42ee16f9127d9bb64188df447898fd54a043b872bb5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-10-08T22:45:51Z",
    "title_canon_sha256": "124b54de90819f609d5b06de600cff553ad14a503d732ad2d6e6453a932fa5c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.04289",
    "kind": "arxiv",
    "version": 1
  }
}