OpenTechnical

OT-2026-000059885

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000059885) never changes.

Identity and time

Publication numberOT-2026-000059885 · never reused
Internal UUID01a0ae89-ec26-7221-b860-3f382ffdead7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059885
StatusPUBLIC

Content hashes

Canonical text3fa96a3ffc5c6c396b73ed2208292805b462b5446ce902820a1de08b14676fda
Markdown7bc7a333b84d800b23e42a6dd04aae216a0b1ff8f5ed88ca7d2795f1c3a870ea
PDF
Publication pagebbcdff222af65d1bdb1249a68779f9d21fbf8dbc076e2d51d9f31696cec69255
Manifestb345c7c0a513b54839c3e0a3a0dfacaf19414404c117e84645729f73b9da12ac

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
SignaturecU8YAPF+UjUiuFYuwo3s1GbOsbQkIM4GZefClLWARRVq9RHYin0SRXbGwykShP3nL3OWbSmzJoz3liWrA4tyDQ==
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

2026-09-17T10:44:38.640723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059885
observed bbcdff222af65d1bdb1249a68779f9d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.623412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059885/manifest.json
observed b345c7c0a513b54839c3e0a3a0dfacaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.605214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059885/publication.md
observed 7bc7a333b84d800b23e42a6dd04aae21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.588610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059885/publication.txt
observed 3fa96a3ffc5c6c396b73ed2208292805...
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.