OpenTechnical

OT-2026-000015514

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000015514) never changes.

Identity and time

Publication numberOT-2026-000015514 · never reused
Internal UUID01a0ae6d-ef4a-72c9-a042-db1cba6700df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015514
StatusPUBLIC

Content hashes

Canonical textb09aad153fc4e48650bc90609b6010fcfc600d6a52eed28a127576468c2cedee
Markdown892caf27ababfd76ce1d1f2ab3fd315c9ec947097ff469013fa31b67a32ec42f
PDF
Publication pagef87158c42644ea77d0b1b9845b1a7e8df8ee8dbd8e6a3c75a0623759323190a2
Manifest7a66ce6a2aa7cf08739a7d94dd18b51a117a1574d81e9ab84b5c92ebfed2e3ad

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
SignaturevkbeND7oxND+htq0UKk/TQKxwW4JDTBXn8LHwHuZ5ah0cG4mCYaIM9WDEW8vOjuGe+9lXaG6dejElTf9NpO+CA==
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

2026-09-17T12:06:17.265962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015514
observed f87158c42644ea77d0b1b9845b1a7e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.246805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015514/manifest.json
observed 7a66ce6a2aa7cf08739a7d94dd18b51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.227938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015514/publication.md
observed 892caf27ababfd76ce1d1f2ab3fd315c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.206779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015514/publication.txt
observed b09aad153fc4e48650bc90609b6010fc...
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.