OpenTechnical

OT-2026-000028882

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000028882) never changes.

Identity and time

Publication numberOT-2026-000028882 · never reused
Internal UUID01a0ae73-2a9d-7e90-b23c-927394ebcad8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028882
StatusPUBLIC

Content hashes

Canonical text6ab3d8e58fea907a09dc1cc08ac8bd8017c6cb7893c1eba34ab25a422cb1df53
Markdown2069aa7fba84725f8a25e9198b3787ddb89b22392c79e9b4ba5cbc3625ee80f7
PDF
Publication pagefc50e535ff754c89e1c703f3ae69533bd224a12eb50c0fc87efa26275f1fe950
Manifestb02ef9031c8a1d0917d54b1928f404cd925202010a8665e2574d828460332db0

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
Signaturezph3I4NAHJMregqaj1O13iFDg2so0x8FezuszN1FiAno3Te8UtBLMP8Hl2vxDKbesUg96+3HaqhnS32v76/RBQ==
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

2026-09-17T08:20:14.725381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028882
observed fc50e535ff754c89e1c703f3ae69533b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:14.708841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028882/manifest.json
observed b02ef9031c8a1d0917d54b1928f404cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:14.691074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028882/publication.md
observed 2069aa7fba84725f8a25e9198b3787dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:14.545202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028882/publication.txt
observed 6ab3d8e58fea907a09dc1cc08ac8bd80...
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.