OpenTechnical

OT-2026-000048558

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000048558) never changes.

Identity and time

Publication numberOT-2026-000048558 · never reused
Internal UUID01a0ae80-4de7-788d-8772-17e2a00b87aa · 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-2026-000048558
StatusPUBLIC

Content hashes

Canonical text390d7979b8404af6c5327198949c4dec79fffaec6faa8d8ec8afc58efa94f476
Markdown8ac1a3da07fd249b84faefd822928e6d73cecb5c0df85cc3393ac610733c47d8
PDF
Publication paged965a3e9894927ed37a3a0dcd9545dd5021c2ed93316a020789987fecff7332b
Manifest348ecd2110cf0126df8957b052772907785c1b95da195f7a90521e18a95df263

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
Signaturei1hV11qJx3Wq5WMNO9UkYrZkS4j8G7fPzTWsgmKTPt4pTzjpI4kkdl8QSl1CemBc8vhk4DlN6MqeIalOJzHlBw==
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

2026-09-17T11:05:21.372455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048558
observed d965a3e9894927ed37a3a0dcd9545dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.352900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048558/manifest.json
observed 348ecd2110cf0126df8957b052772907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.325953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048558/publication.md
observed 8ac1a3da07fd249b84faefd822928e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.304469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048558/publication.txt
observed 390d7979b8404af6c5327198949c4dec...
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.