OpenTechnical

OT-2026-000030732

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off 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-2026-000030732) never changes.

Identity and time

Publication numberOT-2026-000030732 · never reused
Internal UUID01a0ae74-3fb4-7a2e-b941-066e6b081ad7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030732
StatusPUBLIC

Content hashes

Canonical text9ae0b2395d6e6e8ef4d1f99f0a966b9e449fa68d2e1234d74df741f68a028bcb
Markdown58682bdd3fd2aa67e12d16b71974b5e33ffb61091a9affdbd88d7f8623f3fab8
PDF
Publication pageb69f08360b3b15a7db1bf8d20e805e828b4040db177e27d01482030cee317b39
Manifest4a9c0b62e490bf273764914d02924d65f31be20c547c1182d64a62d1979fe525

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
SignatureL3W5dQHqZnvCZWjouwK2dcjD5kBQxdvAKtPfbgss+S8+Z3uBkrH2nAY0Ap5jv0R/AEKIQh1f4Xctbj+CNpwkAA==
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

2026-09-17T11:36:39.763349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030732
observed b69f08360b3b15a7db1bf8d20e805e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.744407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030732/manifest.json
observed 4a9c0b62e490bf273764914d02924d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.726639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030732/publication.md
observed 58682bdd3fd2aa67e12d16b71974b5e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:39.708921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030732/publication.txt
observed 9ae0b2395d6e6e8ef4d1f99f0a966b9e...
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.