OpenTechnical

OT-2026-000027177

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000027177) never changes.

Identity and time

Publication numberOT-2026-000027177 · never reused
Internal UUID01a0ae72-3454-7ffe-8fff-846f997dc287 · 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-2026-000027177
StatusPUBLIC

Content hashes

Canonical text093ce9820be16c409869095d73dae669214f4e81e48d4678d0ecd07dd887cc35
Markdown63e32e8bbfd2b038bd508b83b1c7d017f654cc34f029488266a8b26e0a33078a
PDF
Publication page1c95e5c395d3d45d16dfdad798617fd1b70a301f9e2b3fb385d4adf7e4c065c2
Manifeste58fe48ccbe68c58c4e102cb3f8a0775e0330e80c93ebe8838a597fc2b397e62

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
SignatureyrA80ccUEOWgPBheeELkcPAb0vc2eok2ysdGxAOP6tcDpj3XKdnX8qU4y5dWrSQ+z/EOQ7vLHwQe1DUkZ25fDA==
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

2026-09-17T11:44:03.719010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027177
observed 1c95e5c395d3d45d16dfdad798617fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.701433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027177/manifest.json
observed e58fe48ccbe68c58c4e102cb3f8a0775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.682975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027177/publication.md
observed 63e32e8bbfd2b038bd508b83b1c7d017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.665397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027177/publication.txt
observed 093ce9820be16c409869095d73dae669...
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.