OpenTechnical

OT-2026-000034487

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000034487) never changes.

Identity and time

Publication numberOT-2026-000034487 · never reused
Internal UUID01a0ae76-1ed0-74c6-8d54-6c33f47790b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034487
StatusPUBLIC

Content hashes

Canonical text9f94837cf598095a3b5e355c88a6bffb8f4a655850ecc716f5daa6cbcef79644
Markdownd80f0739c6f03a3ba53da48be46d713fcfc850cadab34ce6051c8f2c1163d351
PDF
Publication page239231671bd4344a79280466d5d910bcadec0c9e1866dbc8775e12c89781a55b
Manifest94a98e1ff036a904d2ffa69a4daaa23f37099d7872199cd45609b8bdfb8abe14

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
Signaturex7r9NGJnPyM4J9002iJ7551ZTQIydNeFtL1h1xaztyXLb/5U36UCLhn4lLmPQD7KDcNxoGkbo1YtVHO25jqkDQ==
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

2026-09-17T11:28:49.150356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034487
observed 239231671bd4344a79280466d5d910bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.133146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034487/manifest.json
observed 94a98e1ff036a904d2ffa69a4daaa23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.117802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034487/publication.md
observed d80f0739c6f03a3ba53da48be46d713f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.101984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034487/publication.txt
observed 9f94837cf598095a3b5e355c88a6bffb...
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.