OpenTechnical

OT-2026-000026414

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000026414) never changes.

Identity and time

Publication numberOT-2026-000026414 · never reused
Internal UUID01a0ae71-f4a7-7975-9363-0f4edc1efc0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026414
StatusPUBLIC

Content hashes

Canonical textaab6c43267d763d4385e9aa497e7ef284a8e82e59ab7ce3589b38808a281af64
Markdown8fc063357ec4929d06c9eb7ccb81b1ecb78cb4122f12b5ade0ddd6dd21d40621
PDF
Publication page215f723056f515b4370490431f9a1c79758fe6557cefd7af4c26e059819ba4af
Manifest34e682b2e86c6e449f5ef4d468bbfcd279ae64458782595244046564c12ec6bd

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
SignatureQEhGngd20eOnBQGf+zhRlJtApPhsijFvuHveTDeIfggb1RQ9MgyDKtkji9GmzvoFj2VLMTqIXxH67weySsHUAA==
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

2026-09-17T11:44:24.210265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026414
observed 215f723056f515b4370490431f9a1c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.192975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026414/manifest.json
observed 34e682b2e86c6e449f5ef4d468bbfcd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.170520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026414/publication.md
observed 8fc063357ec4929d06c9eb7ccb81b1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.152145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026414/publication.txt
observed aab6c43267d763d4385e9aa497e7ef28...
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.