OpenTechnical

OT-2026-000006877

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, four outlet manifold, three stage ejector, plastic cups

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-2026-000006877) never changes.

Identity and time

Publication numberOT-2026-000006877 · never reused
Internal UUID01a0a96a-84e9-7723-bf40-1565fe307ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:05.484123Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006877
StatusPUBLIC

Content hashes

Canonical text1315042e680c07c8ca6925ae0699fb29fdb2cb223a1e8898dd285e4c26e7875e
Markdown8208ee388f4272b7b9de059af42b3bb982db855ef00b30e2985a2319a6a6d7e8
PDF
Publication page5f63173cdc49d4f33e4f32b6bbb9080d4bf3cea7d1d321f2aa90d4151637a40b
Manifest81145114f45264035741b7e283c09ed5c0e3e60d1ae634792dbf822048a24b41

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
Signaturelc7tn7ssgSUaLP9e1y2Xq1hUhkqGrpgw6/GQLpCx8WlUVtjgNTjkyCR7AL6oXfqaEfA8M4s2oqiWVxnk+KVwBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:26.453697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006877
observed 5f63173cdc49d4f33e4f32b6bbb9080d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:26.441495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006877/manifest.json
observed 81145114f45264035741b7e283c09ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:26.428482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006877/publication.md
observed 8208ee388f4272b7b9de059af42b3bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:26.415580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006877/publication.txt
observed 1315042e680c07c8ca6925ae0699fb29...
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.