OpenTechnical

OT-2026-000067156

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000067156) never changes.

Identity and time

Publication numberOT-2026-000067156 · never reused
Internal UUID01a0ae8f-14ff-759b-8ae2-79715675afe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067156
StatusPUBLIC

Content hashes

Canonical text5f0f1e47002d99f9a9b0d6e4b01859dcc8ad32dd1a3688fe62a03cddf2487eb8
Markdowndffaf4dd9d6b3c975b76c6fb6fa86027d9cad42dd24d72a53ddf0f6d538a1d0b
PDF
Publication page9a9b5f3fb0a71ddb94d7545db75e23becd716d573adccc1cdcaada1e5a5d747a
Manifestac99018c2303a44852d0e6d9a60d4daff772dec117da84a245e24873e32722bb

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
SignatureeNpHDYY2C9A/J0kKvxRfUV2EZKdxfE4DvQP9CKm6Xo+G3TtiP8+wJZr9MqVcnSpQ5SvXdaHA31cuf47VKijrAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:26.257517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067156
observed 9a9b5f3fb0a71ddb94d7545db75e23be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.241114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067156/manifest.json
observed ac99018c2303a44852d0e6d9a60d4daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.224871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067156/publication.md
observed dffaf4dd9d6b3c975b76c6fb6fa86027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.208148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067156/publication.txt
observed 5f0f1e47002d99f9a9b0d6e4b01859dc...
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.