OpenTechnical

OT-2026-000092174

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, supply line 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-2026-000092174) never changes.

Identity and time

Publication numberOT-2026-000092174 · never reused
Internal UUID01a0ae9d-875a-7fc0-b692-0baa32787b70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092174
StatusPUBLIC

Content hashes

Canonical textfdb2cdf41aa0be265d7ca55908681e0112e84ee3a47e0355bede8a150e9900ba
Markdown996547fede2039cc6135c227fc5d2402c82743e41481947002e8beef74c57087
PDF
Publication pageb93747a71c8271519510533d87ccdc995c97a72c1d8b34514c884d31900ea1ab
Manifestae195cb4cd1521af8d7600bc5de607549829baecb1aa6c4120004fd77f5b3fe7

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
SignaturesJRlGoDwB6DSFz1xfgXtFuB9SBnYRszTyBDi72HbELuYSgf6xYoDVbVdCcuXIwWnPF2/TzGml7RWg1TZ+xFoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:39.131886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092174
observed b93747a71c8271519510533d87ccdc99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.114635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092174/manifest.json
observed ae195cb4cd1521af8d7600bc5de60754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.094502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092174/publication.md
observed 996547fede2039cc6135c227fc5d2402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.074844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092174/publication.txt
observed fdb2cdf41aa0be265d7ca55908681e01...
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.