OpenTechnical

OT-2026-000048526

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000048526) never changes.

Identity and time

Publication numberOT-2026-000048526 · never reused
Internal UUID01a0ae80-4de6-7806-8430-680abba1831e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048526
StatusPUBLIC

Content hashes

Canonical textddbd7023436b45c9b41ca3ce09c2ca00a38ec71cdfd9e3687331bb60537b4ee5
Markdown09c8c7ffd8bd293365bfd71432cc1a9e55c58569dcd59a85a30fc6bd578e2825
PDF
Publication pageceac70cc08e0ae6e0ef1012d90ce85b03f21c2bc3bc45a9c7f3885c26ce4f76a
Manifest82eeadffb2047aad9687d76cd6a7020fd7b1f3ebad4b522b1ea034b56574e4c4

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
Signature4epBJTIWf9QwPnn2YrfWz+W1VGJGkyQjv8k/zEcz/pobRCvXy1AGWl11yW8bcKCKCDk9Yg6RxQ4b2L/nTMCABw==
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

2026-09-17T11:05:18.779314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048526
observed ceac70cc08e0ae6e0ef1012d90ce85b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.744279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048526/manifest.json
observed 82eeadffb2047aad9687d76cd6a7020f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.725383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048526/publication.md
observed 09c8c7ffd8bd293365bfd71432cc1a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.708206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048526/publication.txt
observed ddbd7023436b45c9b41ca3ce09c2ca00...
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.