OpenTechnical

OT-2026-000018510

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000018510) never changes.

Identity and time

Publication numberOT-2026-000018510 · never reused
Internal UUID01a0ae6e-b48a-75e9-8a1d-051b0629fe13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018510
StatusPUBLIC

Content hashes

Canonical textc8b7981a476fd1bf34eb3e670befbbc1db20728bb3e3ccc924d010fb4d6ad4b9
Markdown3f4f7ca22bf4507a5f9445f185ed96e0c1e991e8b4279fbb2506e7081bf82d29
PDF
Publication pageba75af5087c44beb98030aa26642277a7517232aba40e4203ebc26971b4538c1
Manifest2401dc426598215ca96a5904f16a5f0b94fb05e1ecf524e3d31472086efbfee0

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
SignatureFUiiEgC3QG3l8MeDPumMtgVHOcKWZ4siMNbkODzevvtKWtoxP6Q/V94gS9CwTFM7CewysEHilAPw8p//G/kICQ==
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

2026-09-17T12:01:16.941632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018510
observed ba75af5087c44beb98030aa26642277a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.916220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018510/manifest.json
observed 2401dc426598215ca96a5904f16a5f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.899614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018510/publication.md
observed 3f4f7ca22bf4507a5f9445f185ed96e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.872708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018510/publication.txt
observed c8b7981a476fd1bf34eb3e670befbbc1...
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.