OpenTechnical

OT-2026-000029748

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000029748) never changes.

Identity and time

Publication numberOT-2026-000029748 · never reused
Internal UUID01a0ae73-5e24-7cd4-8ee4-55ecff5a7d73 · 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-2026-000029748
StatusPUBLIC

Content hashes

Canonical text0bfc4dbfcfdc32e5a1ed4f9ec43b39cc3c80dadd84de6e4ac617901936a6feeb
Markdownfcaba9b31c89573f295eda68af04749656e7e8a383ece5572e619f7e3d55977f
PDF
Publication pagef84f472fb30f1c7004d47d366c604058992571e2cf8c9a029e4528e45bf1115c
Manifest0bdbf66570ce85e74cbdf57e252efe0945a547ee5db21ae7a50ad70b7823dd1a

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
SignatureiQXwCcNXHz3ex0fRWrie4EFeRsvZh++43dEnFKUXL8t0GEkGO0nnWsHTToJXR2fhKFUFNr6XN15fmg//LU9CBg==
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

2026-09-17T11:39:30.415892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029748
observed f84f472fb30f1c7004d47d366c604058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.398609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029748/manifest.json
observed 0bdbf66570ce85e74cbdf57e252efe09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.376382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029748/publication.md
observed fcaba9b31c89573f295eda68af047496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.358178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029748/publication.txt
observed 0bfc4dbfcfdc32e5a1ed4f9ec43b39cc...
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.