OpenTechnical

OT-2026-000042378

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off 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-2026-000042378) never changes.

Identity and time

Publication numberOT-2026-000042378 · never reused
Internal UUID01a0ae7a-5d74-701c-9e9f-883aa75a6e96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042378
StatusPUBLIC

Content hashes

Canonical text6427e1631e8db75922374b6382b5b1cef85f77757f16e7980a66c34b86eb0504
Markdowna82d3ed2cd98dfccc367ceaf6b06fe9ce3eb4148e3ed6a10b37f09d3a697c225
PDF
Publication pagea32bea4e83e139abd9f788bfef5b469aeb4e2cf71a2d8068f8ba8b8169544cf3
Manifest181492de5bd4b15e0680db6b5e82805fdbbb13de7c6223fe441bc4cd19037fd0

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
Signaturegz3TQaGJrBx6TP5XHO2r1fu8gu+iem1I7zzz7IPRsNmeBggttzZpnZTBc8mlorDbXzf/yTzBiGbpKMuDCMYbAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:10.116327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042378
observed a32bea4e83e139abd9f788bfef5b469a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.098854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042378/manifest.json
observed 181492de5bd4b15e0680db6b5e82805f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.081877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042378/publication.md
observed a82d3ed2cd98dfccc367ceaf6b06fe9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.064448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042378/publication.txt
observed 6427e1631e8db75922374b6382b5b1ce...
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.