OpenTechnical

OT-2026-000028354

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000028354) never changes.

Identity and time

Publication numberOT-2026-000028354 · never reused
Internal UUID01a0ae72-e2f5-7497-a2a0-1299efc01c45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028354
StatusPUBLIC

Content hashes

Canonical textbe02993dc9b7dfe2041cdb80ae54b0f25caefb645fa95c7458d92e0336bf7af8
Markdown1dbd0bdb9c1f73563a3c0fad2bfdafea0285f659a8a95ffacdeb613c2afde943
PDF
Publication page8054fd79bf014409d807da6210fd5ba095eabfe98cf40f0ffdccf9ab5c1f77a3
Manifest8853e96bf9d20d81419397450af189ca400c5475af2a038c7f234cb55b169591

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
Signaturej03W1cAM7aJLeAThhwSvKPSKZvCK294VFH6ml5RUkDNIYcXKWojSVhce24HGBqsyjXBMeATNKcQ75jCRLsZ0Dw==
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

2026-09-17T11:40:21.892260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028354
observed 8054fd79bf014409d807da6210fd5ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.874506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028354/manifest.json
observed 8853e96bf9d20d81419397450af189ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.858229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028354/publication.md
observed 1dbd0bdb9c1f73563a3c0fad2bfdafea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:21.840139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028354/publication.txt
observed be02993dc9b7dfe2041cdb80ae54b0f2...
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.