OpenTechnical

OT-2026-000034900

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-2026-000034900) never changes.

Identity and time

Publication numberOT-2026-000034900 · never reused
Internal UUID01a0ae76-1ed3-719f-9d95-3184bff38382 · 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-2026-000034900
StatusPUBLIC

Content hashes

Canonical textf6e91d91c944e043cc26579a12b00a80f605b4b41d6ba1147118484624600cf8
Markdown4c36b7ec4cb56dc3349ee6408aafd3c960aa276c41b2128141fdbe54c083123c
PDF
Publication page0e004c83f7ed40681ab6a4015d26af69cfe3062ad8c01fd81cbec429c30d5429
Manifestb141c92ef6cee18c4523acd292ffb4ea0d5e3974b07a47e39a1e1a559893a21d

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
SignaturesSAZwm9xegBi10hpSjPDvMi/hRzdgNR0ui0bxo0jQOravbSCCk9RlLG8gqDusimH8PSzm4bNmZcgN6ZwNTokDg==
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

2026-09-17T11:30:33.663860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034900
observed 0e004c83f7ed40681ab6a4015d26af69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.646992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034900/manifest.json
observed b141c92ef6cee18c4523acd292ffb4ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.623696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034900/publication.md
observed 4c36b7ec4cb56dc3349ee6408aafd3c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.603292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034900/publication.txt
observed f6e91d91c944e043cc26579a12b00a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.507481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034900
observed 0e004c83f7ed40681ab6a4015d26af69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.490005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034900/manifest.json
observed b141c92ef6cee18c4523acd292ffb4ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.472937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034900/publication.md
observed 4c36b7ec4cb56dc3349ee6408aafd3c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.455314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034900/publication.txt
observed f6e91d91c944e043cc26579a12b00a80...
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.