OpenTechnical

OT-2026-000014385

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000014385) never changes.

Identity and time

Publication numberOT-2026-000014385 · never reused
Internal UUID01a0ae6d-b27a-7a55-a450-b017659bd3aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014385
StatusPUBLIC

Content hashes

Canonical text0f7d422e41e93d9738d527738193d77fa18c72133e25015e96041955b5d933be
Markdownecb42754d00fb9aba3e13e22681983688168214732e5f3c14f7c41c0159dc425
PDF
Publication page79d4b76a49c7281e3a25d8038a13a147ba5ee38eef685424d564c515b545b81d
Manifest86a24882355bb5b7e6b218c770ad0b39a64b7d4b9ee0da7e04ee806deb5774a5

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
SignaturePpJ79KM3X18ocqUM0YU74gdnh8F+lazWjlzdg0d8Hg8XKMYRPYIaY52gjanDI0fKb6Xvw460Mumc18OCD6mZBA==
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

2026-09-17T12:10:08.358199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014385
observed 79d4b76a49c7281e3a25d8038a13a147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.337369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014385/manifest.json
observed 86a24882355bb5b7e6b218c770ad0b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.313793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014385/publication.md
observed ecb42754d00fb9aba3e13e2268198368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.296123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014385/publication.txt
observed 0f7d422e41e93d9738d527738193d77f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.306353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014385
observed 79d4b76a49c7281e3a25d8038a13a147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.287328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014385/manifest.json
observed 86a24882355bb5b7e6b218c770ad0b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.267897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014385/publication.md
observed ecb42754d00fb9aba3e13e2268198368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.249665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014385/publication.txt
observed 0f7d422e41e93d9738d527738193d77f...
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.