OpenTechnical

OT-2026-000037697

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000037697) never changes.

Identity and time

Publication numberOT-2026-000037697 · never reused
Internal UUID01a0ae77-b8cf-74ef-95e6-5996493312ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037697
StatusPUBLIC

Content hashes

Canonical text3f53bf4e4eb9c3918ec0d39d8a40742ec407bc3a3e7c9f65348d0a418a6b5da5
Markdown3e7bd90de66d276bcb4d20adf1c6bc9147e09314f61470c4f8e6b2e3953fa7c5
PDF
Publication pageba3aadd71773d3ae1bc7a03e83423c9bca58ee3c3df78911725492c835f6d2f9
Manifest0a79b4dd77123139802b994c3874bdde06c384c3cb6dedcaada83c9710b1006b

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
Signature2KA1v+Q7IsfwedA7AYSFwWfw1h1Ciq/fm1W8/8ZuWhHvW12bEZUmp581rE3IHUQhy6r0rNQ+q63AYIHJWrd8Aw==
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

2026-09-17T11:24:16.942649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037697
observed ba3aadd71773d3ae1bc7a03e83423c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.924711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037697/manifest.json
observed 0a79b4dd77123139802b994c3874bdde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.906077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037697/publication.md
observed 3e7bd90de66d276bcb4d20adf1c6bc91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:16.887042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037697/publication.txt
observed 3f53bf4e4eb9c3918ec0d39d8a40742e...
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.