Pith Number

pith:QPY4SLR2

pith:2017:QPY4SLR2Y242OL34GSA66P2XAP

not attested not anchored not stored refs pending

Proper Motions of Jets on the Kiloparsec Scale: New Results with HST

Colin Norman, Eileen T. Meyer, Eric Perlman, Jay Anderson, John Biretta, Marco Chiaberge, Markos Georganopoulos, Roeland van der Marel, Sangmo T. Sohn, William B. Sparks

arxiv:1701.05846 v1 · 2017-01-20 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPY4SLR2Y242OL34GSA66P2XAP}

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	2026-05-18T00:52:24.555907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83f1c92e3ac6b9a72f7c3481ef3f5703fa99a7ab3df5252eb44be296ab641621

Aliases

arxiv: 1701.05846 · arxiv_version: 1701.05846v1 · doi: 10.48550/arxiv.1701.05846 · pith_short_12: QPY4SLR2Y242 · pith_short_16: QPY4SLR2Y242OL34 · pith_short_8: QPY4SLR2

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/QPY4SLR2Y242OL34GSA66P2XAP \
  | 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: 83f1c92e3ac6b9a72f7c3481ef3f5703fa99a7ab3df5252eb44be296ab641621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1227338f2886995058340aa159d7b8c3004aa1efc7bae47c214e31337b72ff1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-20T16:30:31Z",
    "title_canon_sha256": "cb6be3e6ba90c15a5ce62dc5284f73edb83c8128c4a04fe4e445ebe3c0e3a127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05846",
    "kind": "arxiv",
    "version": 1
  }
}