OpenTechnical

OT-2026-000029784

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000029784) never changes.

Identity and time

Publication numberOT-2026-000029784 · never reused
Internal UUID01a0ae73-5e24-7a35-89f1-5842dfc610b5 · 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-2026-000029784
StatusPUBLIC

Content hashes

Canonical text79c3cc9350c925b8b8592fd256d5e5e160c8c90b1ad02c7a03cf717c7db79ca9
Markdown87a6fd313672904291ce8fff076b067e688374450cc30369a90cf4a61e1fa33f
PDF
Publication page55c3998720623cdc15a13fc266e8f9df851fc8d55e96da7a97d59d0359004dd7
Manifestb95a982d1b51c0e4eea6b35b40df713e915aa552ad26b159d762dfcc0e48a793

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
Signature32NLP7Kpox1yqYl4wEthGUkJWTwhUkH5gsH7sFykzK8t3+CI4TxUPLgaJ6twtAMLJc1YK/i25frizzFBCt2aAQ==
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

2026-09-17T11:39:33.170344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029784
observed 55c3998720623cdc15a13fc266e8f9df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.153241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029784/manifest.json
observed b95a982d1b51c0e4eea6b35b40df713e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.137523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029784/publication.md
observed 87a6fd313672904291ce8fff076b067e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.119951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029784/publication.txt
observed 79c3cc9350c925b8b8592fd256d5e5e1...
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.