OpenTechnical

OT-2026-000029712

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000029712) never changes.

Identity and time

Publication numberOT-2026-000029712 · never reused
Internal UUID01a0ae73-5e23-707a-82a7-0452666f4372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029712
StatusPUBLIC

Content hashes

Canonical text6460dbc8a546f7744b842ba06645bd473819b2f4ffe84f86e18c76eab84032a1
Markdown266cf1d5fba4ff63b91db2cae0c4886ceacdc657621f60c7131d384927137944
PDF
Publication pageb84e029491e9d5b8598c1a9e35efbf3b8e5b102f1c5cec3b9832384b34746bee
Manifest593147b0f7b29dd8a953c57cb3aa5dbe3dfb64c7d7c64a3fac85d33bd0d4de7a

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
SignatureTQmYQhg+fBuxuD3/2dvf5UOovugwUNu/beB7GCt3RdgvjmkphUfg0aAiwKe8AKwFqFeok2+0yPbDXmPzWjSuDA==
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

2026-09-17T11:39:25.017644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029712
observed b84e029491e9d5b8598c1a9e35efbf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.997382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029712/manifest.json
observed 593147b0f7b29dd8a953c57cb3aa5dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.979276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029712/publication.md
observed 266cf1d5fba4ff63b91db2cae0c4886c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.961898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029712/publication.txt
observed 6460dbc8a546f7744b842ba06645bd47...
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.