OpenTechnical

OT-2026-000030282

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000030282) never changes.

Identity and time

Publication numberOT-2026-000030282 · never reused
Internal UUID01a0ae73-e500-7015-8fab-863385fe7ff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030282
StatusPUBLIC

Content hashes

Canonical textf5deee4bbbf1a7a0c4370595a8e615f8c19e963a31f289be445e3422c1429a01
Markdowndf40bd5f9cc8e5d0f3edc814cec9d783dc7bd2591d9cf43d9c4ebae615e6d0dd
PDF
Publication pagea1ce3133a55b8e1137a158e64e9aa62e236ed953b33583cd5445a409e01dd580
Manifest81ca405bdcd8dce4fbccd1ae8bc21df74356114ea72c622e4c718fbd22661ee9

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
Signature3mL7vfo7TkP7yEUXj1wbcb7GUnew3KVT2/NdG6jvPDqYvpTP54riuydtQYK+Mq5l5ATU6pgjhnRu+SdFf5UWAQ==
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

2026-09-17T11:40:47.108158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030282
observed a1ce3133a55b8e1137a158e64e9aa62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.089882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030282/manifest.json
observed 81ca405bdcd8dce4fbccd1ae8bc21df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.072591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030282/publication.md
observed df40bd5f9cc8e5d0f3edc814cec9d783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.053016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030282/publication.txt
observed f5deee4bbbf1a7a0c4370595a8e615f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.998114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030282
observed a1ce3133a55b8e1137a158e64e9aa62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.976876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030282/manifest.json
observed 81ca405bdcd8dce4fbccd1ae8bc21df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.958300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030282/publication.md
observed df40bd5f9cc8e5d0f3edc814cec9d783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:56.942337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030282/publication.txt
observed f5deee4bbbf1a7a0c4370595a8e615f8...
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.