OpenTechnical

OT-2026-000034896

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000034896) never changes.

Identity and time

Publication numberOT-2026-000034896 · never reused
Internal UUID01a0ae76-1ed3-753c-afd6-c6f1fe1ed793 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034896
StatusPUBLIC

Content hashes

Canonical text8ef21087805c4b6897109e435baf269ebbf01335de757e1cc0fda9d4f71dbb38
Markdownd181b7176e0aef03f27dc71636dd4bf2422d4dbb8ce35d5a2cb717cec6f91812
PDF
Publication pagea4729cc893e2d974a1f47358248b404bef36c1db83f25721dcbaee56deb632ba
Manifest0591a46229418e97ec7c3df0461d24d01781b06259bb07e42f3c5952c156e0f4

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
SignatureUCdDlLV88tS0YTslL4UVvqJPPvnhU3MnE79VSGts/FBdOZL3L0RnjrexkJx8RCv5AQCfg1U2PJgvxCOblHNXBQ==
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

2026-09-17T11:30:33.341994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034896
observed a4729cc893e2d974a1f47358248b404b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.324807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034896/manifest.json
observed 0591a46229418e97ec7c3df0461d24d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.307307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034896/publication.md
observed d181b7176e0aef03f27dc71636dd4bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.289980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034896/publication.txt
observed 8ef21087805c4b6897109e435baf269e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.219596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034896
observed a4729cc893e2d974a1f47358248b404b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.203028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034896/manifest.json
observed 0591a46229418e97ec7c3df0461d24d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.183956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034896/publication.md
observed d181b7176e0aef03f27dc71636dd4bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.166305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034896/publication.txt
observed 8ef21087805c4b6897109e435baf269e...
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.