OpenTechnical

OT-2026-000047129

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047129) never changes.

Identity and time

Publication numberOT-2026-000047129 · never reused
Internal UUID01a0ae7e-d0f8-7484-9013-68e9599a416b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047129
StatusPUBLIC

Content hashes

Canonical textebbd3db20fc6778ce0c4823ed01c7953706eb4587a0db1d9ec80abfc516a1335
Markdown1a2193ef31dcca74d1fb639521d72fea216c02e3ca9b4e98d571b654467e0195
PDF
Publication pagea3df82d56a83582193b5b4fb1f1504a44645d5d80c4f3c52eda754062148c7b6
Manifest6ab44850ae3f2221277ab378ff81c1a18d0985448a6184fd4dd8f39fffaa771f

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
SignatureB7bUlIjUTnk/JW1Y8lwI7U9qPnbWSI3HUwwgFxZaZ8mVIjnYDNvNasNGTBydw0Ljse6NMs96746FmgyCf+lnCQ==
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

2026-09-17T11:10:27.669186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047129
observed a3df82d56a83582193b5b4fb1f1504a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.650277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047129/manifest.json
observed 6ab44850ae3f2221277ab378ff81c1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.627899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047129/publication.md
observed 1a2193ef31dcca74d1fb639521d72fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.608741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047129/publication.txt
observed ebbd3db20fc6778ce0c4823ed01c7953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.921103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047129
observed a3df82d56a83582193b5b4fb1f1504a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.902168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047129/manifest.json
observed 6ab44850ae3f2221277ab378ff81c1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.883508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047129/publication.md
observed 1a2193ef31dcca74d1fb639521d72fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.863604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047129/publication.txt
observed ebbd3db20fc6778ce0c4823ed01c7953...
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.