OpenTechnical

OT-2026-000027957

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000027957) never changes.

Identity and time

Publication numberOT-2026-000027957 · never reused
Internal UUID01a0ae72-a51f-7f4e-8233-3d7eccd02c07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027957
StatusPUBLIC

Content hashes

Canonical text873ca740a881f09a0a5d94ad4cce6005e29c074b3c004ba8f437b4a34ec0e0d6
Markdown6d0c076340d583fb3ead9818d5db6d16be5db735f4ae403773d980abbc31ce0f
PDF
Publication page5013fa4072dc60579fa9d1b521b3ba37cdeffbb360364b4293f00346dad9eb8b
Manifest30a57ddd1b24c458fcfde993c4cf3969470229ac9508fa9c084430d1152f21e3

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
Signature/mgAXE05Ygwgj7/EHkj8rZxzOkvXh6XNTd7MFvp6a50kM8Kycljwch8T2gADqwC/jB/cqmDs3+xdBUfFzr6eAQ==
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

2026-09-17T11:42:08.665954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027957
observed 5013fa4072dc60579fa9d1b521b3ba37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.648581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027957/manifest.json
observed 30a57ddd1b24c458fcfde993c4cf3969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.628963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027957/publication.md
observed 6d0c076340d583fb3ead9818d5db6d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.611842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027957/publication.txt
observed 873ca740a881f09a0a5d94ad4cce6005...
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.