OpenTechnical

OT-2026-000052619

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000052619) never changes.

Identity and time

Publication numberOT-2026-000052619 · never reused
Internal UUID01a0ae84-573b-7b65-9be0-ed13985e7079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052619
StatusPUBLIC

Content hashes

Canonical text12c0fa5506db5dcf7375a29b92bff1b7f9ef41c7cc61cd568406b5276c5dd6d5
Markdownf2b37c7eab0b5b07640761a89c2d25d0377f1f123cb932db841bdabd71cfa28a
PDF
Publication pagedb7531b27723afaf723ef859c58d228c7b8dc0f0bb6e91b4b836977d0b52d3cc
Manifestc97abf895b1d642089ab564c60e3195a61156301560d21fa33479b754ab04af6

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
Signatureqo2u4CMEtupwSNLndK0lSSa74ZFYc57bA6YuZ7WiEFWj8AF6UKJPCunvKb97XZnwcjBV1Hn3Nq21CIKp0AcTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:17.481092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052619
observed db7531b27723afaf723ef859c58d228c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.464074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052619/manifest.json
observed c97abf895b1d642089ab564c60e3195a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.448874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052619/publication.md
observed f2b37c7eab0b5b07640761a89c2d25d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.432931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052619/publication.txt
observed 12c0fa5506db5dcf7375a29b92bff1b7...
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.