OpenTechnical

OT-2026-000044114

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000044114) never changes.

Identity and time

Publication numberOT-2026-000044114 · never reused
Internal UUID01a0ae7b-d67a-775f-adc8-0353b0ab6212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044114
StatusPUBLIC

Content hashes

Canonical text74226896021cad180973e3adb3f1e2f90646d63a38b771d2eee7ac953be10b9d
Markdowne827fb0c6783dc7954b26b5bc8e4c3f49ae2197dcbf03b50baa00405b8d8dc18
PDF
Publication pagedb5b81abe2d390461f3a9ff659506134ce2a331fc57d38fc26dd2c70100c11ba
Manifest51a74c3ec07146a36fc959b55e41dddf5258c5e3ba739c7e8bd4eae6868b6961

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
SignaturedRcgpzXJyug7LZIWAMGEkhfU8jydvDbY0HMWBTOgg2nfF4ykCBfvpNIUUSffoAz2sPktD2x/UB7+EcICA+eFBA==
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

2026-09-17T11:12:31.665283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044114
observed db5b81abe2d390461f3a9ff659506134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.645444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044114/manifest.json
observed 51a74c3ec07146a36fc959b55e41dddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.625806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044114/publication.md
observed e827fb0c6783dc7954b26b5bc8e4c3f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:31.606724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044114/publication.txt
observed 74226896021cad180973e3adb3f1e2f9...
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.