OpenTechnical

OT-2026-000006715

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, pump fed, vented 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-2026-000006715) never changes.

Identity and time

Publication numberOT-2026-000006715 · never reused
Internal UUID01a0a964-ea1b-7186-9046-a5b6ba999889 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:58.174015Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006715
StatusPUBLIC

Content hashes

Canonical text2bb09f35f56b399fce93c76127c4e8961d4aa051fe2636a5e2b48f4465fd9a47
Markdown9c22a21474776c1923378c8d338c502ebe6bedf19fc620ffc6a4075c783dbc40
PDF
Publication pagee1e8950bc8218f32e5d95446688feab764e4b12092e9f2062dd984ebfc69f37c
Manifestf6d854fd14e118f7cf009882aa6f6bda8b1669f9b6bf587708d9d42c09558fc2

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
SignatureD8pR9rQSLOPSBzqVaEtsWLIHkPPe0Tmtn5btkD9pRiPnvUf+9mXrKICWGtSsxkma+iiarhcrGbsfBsr3fvfWDw==
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

2026-09-16T08:50:14.199646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006715
observed e1e8950bc8218f32e5d95446688feab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.186075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006715/manifest.json
observed f6d854fd14e118f7cf009882aa6f6bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.170095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006715/publication.md
observed 9c22a21474776c1923378c8d338c502e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.156690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006715/publication.txt
observed 2bb09f35f56b399fce93c76127c4e896...
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.