OpenTechnical

OT-2026-000034875

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000034875) never changes.

Identity and time

Publication numberOT-2026-000034875 · never reused
Internal UUID01a0ae76-1ed3-7d1d-8891-647ad05e99ac · 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-2026-000034875
StatusPUBLIC

Content hashes

Canonical textde0fa00b146c29e61b7c6a4e62cdc4008cda5696af7ae089b870de83381d450e
Markdowndb902fb5d3669af60a5f5ce3008297993e1ee63504e49528e11a5b67c8c31f0e
PDF
Publication page7b26c1b732afe05be2a1f3ccd5a8e253a50c5bc04ce37f1773aaa9a10e750ed4
Manifestbe09e01d73bd38b7737f7a5e40c954c6447b30a2876eb25544e5baef2d8c915f

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
SignatureZPROhjRTDTc/cdzdbjwv8PnxaSWMa74qx32/5F5+/fB6nTSf6jZCg+Jd0S5Jwc2xrKQjqJlGEN5AJNNTP5yIBQ==
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

2026-09-17T11:30:31.749858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034875
observed 7b26c1b732afe05be2a1f3ccd5a8e253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.733295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034875/manifest.json
observed be09e01d73bd38b7737f7a5e40c954c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.706831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034875/publication.md
observed db902fb5d3669af60a5f5ce300829799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.690436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034875/publication.txt
observed de0fa00b146c29e61b7c6a4e62cdc400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.611680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034875
observed 7b26c1b732afe05be2a1f3ccd5a8e253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.593696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034875/manifest.json
observed be09e01d73bd38b7737f7a5e40c954c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.576880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034875/publication.md
observed db902fb5d3669af60a5f5ce300829799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.560718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034875/publication.txt
observed de0fa00b146c29e61b7c6a4e62cdc400...
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.