OpenTechnical

OT-2026-000064199

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, 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-2026-000064199) never changes.

Identity and time

Publication numberOT-2026-000064199 · never reused
Internal UUID01a0ae8d-a45f-739f-9218-52a2de36bc63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064199
StatusPUBLIC

Content hashes

Canonical text57993379dc5a1e5f8ed54c880ad557fee907621aed2f36ea43941523dd87002b
Markdownabb41f1c5b16d10aa4240bd48c3780f42efef1ea49d6134f2cf3ed354767b3a5
PDF
Publication paged64a7c21cf69dcb32792168f675242442597154c79cb7245e2276e19979c1d7e
Manifestb7e900f0efe57bd1ea5f8746c6c872861e1f041b2affaca0e1bba717531e3840

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
SignatureEhTSLqkXaUkI6Djqk7X2mY0b1U1kbzqn2MVXQTKBo1digOwLSnATVouozkhLq0GRYa7lnsIuMTEybNqc2vgeDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:18.905010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064199
observed d64a7c21cf69dcb32792168f67524244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.887062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064199/manifest.json
observed b7e900f0efe57bd1ea5f8746c6c87286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.868973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064199/publication.md
observed abb41f1c5b16d10aa4240bd48c3780f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.848362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064199/publication.txt
observed 57993379dc5a1e5f8ed54c880ad557fe...
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.