OpenTechnical

OT-2026-000058702

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000058702) never changes.

Identity and time

Publication numberOT-2026-000058702 · never reused
Internal UUID01a0ae88-f39d-7121-9f36-7dc1293b9082 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058702
StatusPUBLIC

Content hashes

Canonical text4a17e5e544ef083754785367caadec5fc93b0efefb3fb55dc37b55a00ca354f0
Markdown2441adff6d1fc7239226180bce785610675610e52a927bd1c9a026664eceed89
PDF
Publication page4c3f38bdfe05858e8d4bbca1baf000512df461abb888c0ca60144b1342f7944e
Manifestb91ce4877204239c9ec216f9f273196e0003faf80d3b5820f2f63fff82f7d54f

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
SignatureLotFhqodOIlwYPf4ZkR5OZUMw4JDYA5KJk7dLazqu0wrscms9ji4sdjOWig2UHQL3+ssB+Cwzt0pulesqARbAw==
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...

Independent retrieval

2026-09-17T10:47:13.628871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058702
observed 4c3f38bdfe05858e8d4bbca1baf00051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.612801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058702/manifest.json
observed b91ce4877204239c9ec216f9f273196e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.594912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058702/publication.md
observed 2441adff6d1fc7239226180bce785610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.576907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058702/publication.txt
observed 4a17e5e544ef083754785367caadec5f...
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.