OpenTechnical

OT-2026-000053725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented before 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-2026-000053725) never changes.

Identity and time

Publication numberOT-2026-000053725 · never reused
Internal UUID01a0ae85-735c-74cb-9157-46394bd68da3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053725
StatusPUBLIC

Content hashes

Canonical text2c66a3fb556823e45ae485ca759cbda024ee50f81f3a1fdf9bb494fb161d62fa
Markdown254d272e101e96cd1aac36b9cca632ccbbf0d1d2de1e28695e9aeb288bc2109e
PDF
Publication page439a75a7bac8248002cc9c8261ba3721b37d73f4388580ad29129ff54a05b339
Manifest6242232cef509dd83bc9b910e3ba66e3475d8e5657249dc8407becd3177e9149

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
SignatureWYmZTGmOcl2bbT0A/LTQ/oMPTpb24XBXIyKR6q3Z/rXU1eUXFz8Isj/i+gpdT22KNHeD8Dz1yaPKk88b+NbrCQ==
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

2026-09-17T08:40:17.773562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053725
observed 439a75a7bac8248002cc9c8261ba3721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.755505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053725/manifest.json
observed 6242232cef509dd83bc9b910e3ba66e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.737925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053725/publication.md
observed 254d272e101e96cd1aac36b9cca632cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.719647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053725/publication.txt
observed 2c66a3fb556823e45ae485ca759cbda0...
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.