OpenTechnical

OT-2026-000030101

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030101) never changes.

Identity and time

Publication numberOT-2026-000030101 · never reused
Internal UUID01a0ae73-e4ff-737e-af8a-1108515c53ad · 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-2026-000030101
StatusPUBLIC

Content hashes

Canonical text4a6809913211a4e966171964dc6a84a5ca85c505f2b15c25e2b7babb2470eb2e
Markdown5176d59f04e6d09cefc72d84ba43edd91f23de5118728ddd62108a81c587ff41
PDF
Publication page754f6f274ef537acffe3d6709ee28b3e13196b7468bbc9257a7f1e8ed9285a03
Manifestbfe8958d2b6663221084b36be3b2a7ce3379812c6a1afbd1d8346b02d23d3c62

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
Signature4U/0lTmJLGE4cSKUNbqPvbT+AlFbtXfHi7zt6XwSpoky+QrFEKiSw1ll7KJ5UPIYtXqCCtBuTCwKqzsrSe80Dw==
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

2026-09-17T11:40:19.780563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030101
observed 754f6f274ef537acffe3d6709ee28b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.761435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030101/manifest.json
observed bfe8958d2b6663221084b36be3b2a7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.701486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030101/publication.md
observed 5176d59f04e6d09cefc72d84ba43edd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.635316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030101/publication.txt
observed 4a6809913211a4e966171964dc6a84a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.673735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030101
observed 754f6f274ef537acffe3d6709ee28b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.657286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030101/manifest.json
observed bfe8958d2b6663221084b36be3b2a7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.639095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030101/publication.md
observed 5176d59f04e6d09cefc72d84ba43edd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.576650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030101/publication.txt
observed 4a6809913211a4e966171964dc6a84a5...
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.