OpenTechnical

OT-2026-000005251

Publication integrity record

Bellows cup vacuum gripper, three zone face, three outlet manifold, ejector fed, pressure verified

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-2026-000005251) never changes.

Identity and time

Publication numberOT-2026-000005251 · never reused
Internal UUID01a0a932-d300-7db9-8260-62c1289f2714 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:15.459370Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005251
StatusPUBLIC

Content hashes

Canonical text40f386ff7a365cbd295c0531665edf971d105d823151ff001c4d4b2fbf5782a4
Markdowndec36bb3078bb4d8932040a9c9c95f7f504ba59e267c814e9197619f17d9f9c5
PDF
Publication pagedf7c8dd5fbeb5b1c4b0b1d7cd297309b6e29572215d40549914cf514f6de36fd
Manifest5374269352dbb862063d5b7c6c157bf1014c97f0614327976b419b2e9cbd7403

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/jCftGm1DUgXYp2saJ5Ics/GUP3ggXQii1xTPCVRTC52OAL7kU+bOEXXfy98JVo7s2vN+szLiy/5MDNSk+MRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:30.489759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005251
observed df7c8dd5fbeb5b1c4b0b1d7cd297309b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.474611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005251/manifest.json
observed 5374269352dbb862063d5b7c6c157bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.460407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005251/publication.md
observed dec36bb3078bb4d8932040a9c9c95f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.446940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005251/publication.txt
observed 40f386ff7a365cbd295c0531665edf97...
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.