OpenTechnical

OT-2026-000018741

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000018741) never changes.

Identity and time

Publication numberOT-2026-000018741 · never reused
Internal UUID01a0ae6e-d520-7549-8529-51061c3caa95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018741
StatusPUBLIC

Content hashes

Canonical text4e16c3a1312b4ad9b93166b9244451e7f33830bf817e3f865f350102865e5000
Markdownc5e0348cf91fc40960fae21019328b3e0e1c9d7f34eb27548f3dfebdc6f2934c
PDF
Publication pagedc8d2d1e8b3dbde32b513ade4f2413832e9f092d1a8390d0dea60b80cc65f62b
Manifestc242b5144bf56faa83873234581026b7e1e45e08a0db1fbb30c1e5a787f24349

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
SignatureqmluzGaSpBCeczTmqqbNY3yh0ijgekyGcH4XvbCaD1a24VziyWV5lg3ioeDwkAez/1RbhRN1FTDkx94t1aI6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:21.166819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018741
observed dc8d2d1e8b3dbde32b513ade4f241383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.146353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018741/manifest.json
observed c242b5144bf56faa83873234581026b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.125762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018741/publication.md
observed c5e0348cf91fc40960fae21019328b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.106238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018741/publication.txt
observed 4e16c3a1312b4ad9b93166b9244451e7...
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.