OpenTechnical

OT-2026-000062730

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000062730) never changes.

Identity and time

Publication numberOT-2026-000062730 · never reused
Internal UUID01a0ae8c-6389-71dc-804f-bbbe0d798821 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062730
StatusPUBLIC

Content hashes

Canonical text7391328a091c1a08000c075ec2507e9222fc1cd707c60b43c4cbd46bd410f4a0
Markdownbd997effe85b0777a0c0d561c8fdbce3ed98c01fe1bfba57093b639e3ed4829c
PDF
Publication paged6057b7f3334d10cd2835923491e9704a438727252fe3098ed11b644ae3e7501
Manifest03aade8b35b2e7cd0c95475b22f0f70099af1d71c1bdadc8c58f06fad5b13165

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
SignatureNZLDiTr6PSCW+2no48T6PY3KQHsIZnRPIFn6ILxXJvW0dHF/kxyisuOJqVntQNhbHAFTp2eBuD4vsKrEhbRQDA==
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

2026-09-17T10:39:18.200846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062730
observed d6057b7f3334d10cd2835923491e9704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.181801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062730/manifest.json
observed 03aade8b35b2e7cd0c95475b22f0f700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.161674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062730/publication.md
observed bd997effe85b0777a0c0d561c8fdbce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.142586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062730/publication.txt
observed 7391328a091c1a08000c075ec2507e92...
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.