OpenTechnical

OT-2026-000006639

Publication integrity record

Bellows cup vacuum gripper, four zone face, two outlet manifold, two stage ejector, contact triggered

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-2026-000006639) never changes.

Identity and time

Publication numberOT-2026-000006639 · never reused
Internal UUID01a0a962-4f16-77ff-9f94-41d318da3923 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:07.417223Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006639
StatusPUBLIC

Content hashes

Canonical text6bfcc1e78e226a31af9cd5716fe6a00c7b3109403f9d25499de8704f0d866f78
Markdowna5b6c8667ae56cbb1c2e127cbace812ba3ad8f3aea0bbe12d9904a60afc83f08
PDF
Publication page35799e4d438d1c560b0f656deb7d51e86e70f34ff8a4858c60b4c27e08edb9fd
Manifestc97ee9beb3ecbf9b74132751995dcc6dffd4463e07267151e42067c1afb27ea9

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
SignatureAAYq2vix2xNi08A5di95d94v/w2Fjb+7hmAFD+lnvbMH2SYYL/iXS2ILoGiZOhMw3XZEgGJDnHQ8iSvezGiVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:22.432826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006639
observed 35799e4d438d1c560b0f656deb7d51e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.418982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006639/manifest.json
observed c97ee9beb3ecbf9b74132751995dcc6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.407700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006639/publication.md
observed a5b6c8667ae56cbb1c2e127cbace812b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.395481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006639/publication.txt
observed 6bfcc1e78e226a31af9cd5716fe6a00c...
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.