OpenTechnical

OT-2026-000045169

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000045169) never changes.

Identity and time

Publication numberOT-2026-000045169 · never reused
Internal UUID01a0ae7c-f769-79a6-80a6-8ddcd32312dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045169
StatusPUBLIC

Content hashes

Canonical text43810a03111396b52691c3a80574b6cc467e11906d1b9606da51152a4048d6a7
Markdown1bad9c22a0057fbf0b538fa48a590646c02dc51a67fecc0b73a46a62c1434067
PDF
Publication pagebf1d5c6de795043e5a29b6b765e81dc9309ad31598184a4c356d04799dc80da6
Manifest0ce6d8f917006041a3c4ee5c769a9b9bfd34bd361bc5c99fd3e10de28b4826f5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturebkq2T6mL8BixFRsInDtRkhbAPnEGCvbrDyOeb78tprkQWRZ4u12iJNDa1y/zTZbRjf01gk8suUhnGpLRLVSJBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:19.905721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045169
observed bf1d5c6de795043e5a29b6b765e81dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.887827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045169/manifest.json
observed 0ce6d8f917006041a3c4ee5c769a9b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.867071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045169/publication.md
observed 1bad9c22a0057fbf0b538fa48a590646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.847672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045169/publication.txt
observed 43810a03111396b52691c3a80574b6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.