OpenTechnical

OT-2026-000052790

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000052790) never changes.

Identity and time

Publication numberOT-2026-000052790 · never reused
Internal UUID01a0ae84-a42e-718b-b686-03fd4a2ce831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052790
StatusPUBLIC

Content hashes

Canonical text1f5f072d9e6aa567c61fafa413b20c0731cc8d337f7767849a7aca042b5af1e1
Markdownd4096b7af413dadf398889573603dce3c1db4521709b5f9a83d0f18e354e0245
PDF
Publication page6e72f16c9aef75cb76b44fcbb94a2d7bb4f0a73c153fb1debe296f0a91f8d82a
Manifest8a8fd73657d4370a74eaa07a972b83a8a1f6929c93af2b4f0ff3d0f0d44c680c

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
SignatureoBAK2EG1rWExQK3si9HiTSqiZFL4Iev+GbTb3slnnvCxa4RSDETzcfZkqEzqSzEVMmlR2FYMFuh2bIuYvW6hBQ==
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

2026-09-17T10:55:48.217956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052790
observed 6e72f16c9aef75cb76b44fcbb94a2d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.201293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052790/manifest.json
observed 8a8fd73657d4370a74eaa07a972b83a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.182585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052790/publication.md
observed d4096b7af413dadf398889573603dce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.164392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052790/publication.txt
observed 1f5f072d9e6aa567c61fafa413b20c07...
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.