OpenTechnical

OT-2026-000027057

Publication integrity record

Single 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-2026-000027057) never changes.

Identity and time

Publication numberOT-2026-000027057 · never reused
Internal UUID01a0ae72-3453-7ffd-bada-4b04fe028b17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027057
StatusPUBLIC

Content hashes

Canonical text467df71c89276a1c9fc95e5436b481aeb615c16e78f29fb9821910b4359c88fc
Markdownd0c7d2ccc2667f98f0734355fbdd9c9d2c2b5741c98e23723bf278d2795018b9
PDF
Publication page2296242e0f414cacc75b01d38da41b4e2b78cb3dcbda9c50ef07887ddf1cdfd4
Manifest2a6918a1ae02fe1f638870a3ce8f9ec50bbef0c0d832f0ff7440d6cba59946fc

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
SignaturezaJdtvKekhK7MnT+X8kC5qIqowBNCgy6bOmlrR0IGeiQdxvRvNOEWVMwZU7JH2wyDkzYO/q56fEFV4X5OpJQDQ==
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

2026-09-17T11:43:48.978082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027057
observed 2296242e0f414cacc75b01d38da41b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.960367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027057/manifest.json
observed 2a6918a1ae02fe1f638870a3ce8f9ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.940660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027057/publication.md
observed d0c7d2ccc2667f98f0734355fbdd9c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.920988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027057/publication.txt
observed 467df71c89276a1c9fc95e5436b481ae...
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.