OpenTechnical

OT-2026-000029298

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000029298) never changes.

Identity and time

Publication numberOT-2026-000029298 · never reused
Internal UUID01a0ae73-2aa1-7917-9e00-63dbf54ba725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029298
StatusPUBLIC

Content hashes

Canonical text9773bdfc05d9d5b64aa257d1e71c2e99e4c25688d22d46c0fa7227edb13e9bec
Markdownda457b7633e6c4256575a44db2936ad1bb7a61df880743c3df0a22a0c13bbfa3
PDF
Publication page70dc1835191abf96f89aec201cf33a9e27e01f997455685fb5a4750d403dc0a7
Manifest6dd6d12c98b0993c5ed79f86c3ebeb3ce297c07e07553477e37ef063dabec16d

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
Signatured/vbJzf5Lr+ln8YiQem0snqXESgP57rabHOHNt+Ru0enyh4EPBOnBpj9qj8RGMGs9vok8TPgwYs+h7J05Zw6BA==
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

2026-09-17T11:39:56.242704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029298
observed 70dc1835191abf96f89aec201cf33a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.224635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029298/manifest.json
observed 6dd6d12c98b0993c5ed79f86c3ebeb3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.207403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029298/publication.md
observed da457b7633e6c4256575a44db2936ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.190258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029298/publication.txt
observed 9773bdfc05d9d5b64aa257d1e71c2e99...
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.