OpenTechnical

OT-2026-000028148

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000028148) never changes.

Identity and time

Publication numberOT-2026-000028148 · never reused
Internal UUID01a0ae72-a520-7fdf-a0eb-20e66d390d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028148
StatusPUBLIC

Content hashes

Canonical textc6d242da6e7f1e3a9cbdb9a726f16ad7029799c2c8ecd9b180bd8820344e64a4
Markdown969a96a714cb047ccb2f3a9c9dbd2a3dfcfb26e947c0845306734fd1f206a84d
PDF
Publication pageff4667f9de04ae332032bfa1b28ba512b4ff7663162da74ad8c87215ea69dc07
Manifestfee9a8589e54ebf9b4682762db530a4146e1548f4ab92f1cee1e17833207b6f6

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
SignatureQ6EFebjRRVTPC9dKDbEMog7MrEdDyL2ULrw4WtenwslqkLRcRekO4xfSmSwDhDpTNQtYFLKLU941xdjpPQxTAg==
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

2026-09-17T11:42:29.637964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028148
observed ff4667f9de04ae332032bfa1b28ba512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:29.619765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028148/manifest.json
observed fee9a8589e54ebf9b4682762db530a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:29.601645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028148/publication.md
observed 969a96a714cb047ccb2f3a9c9dbd2a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:29.584929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028148/publication.txt
observed c6d242da6e7f1e3a9cbdb9a726f16ad7...
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.