OpenTechnical

OT-2026-000009423

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000009423) never changes.

Identity and time

Publication numberOT-2026-000009423 · never reused
Internal UUID01a0ae6b-7562-780d-bca5-8c0b6139151a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009423
StatusPUBLIC

Content hashes

Canonical textbdd25b768740321fc3fd62116ad0ae9f71014a3cf7dec555e47d33d55c530559
Markdown0bd8e5efca222602e4c290988249be446599445cf3290baddedfc576eb618ac0
PDF
Publication page7528b1ad193d778a4b25e6b6a72b079d9a4105850e0ee6771b8f64529ecb1285
Manifesta9028ff0dfcb56e7afec9bd9fa49404d81ec33423db747841906790cfe6c8599

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
Signature8IXAWx4cxAmebUxIEtBEHKpSLeBpjNFBk3Hpyd4yKZk46lOsRSac7JnDXXIRvmD9W8zIWKFhXQOq+7vB6doCCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:42.600947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009423
observed 7528b1ad193d778a4b25e6b6a72b079d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.581045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009423/manifest.json
observed a9028ff0dfcb56e7afec9bd9fa49404d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.562726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009423/publication.md
observed 0bd8e5efca222602e4c290988249be44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.544354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009423/publication.txt
observed bdd25b768740321fc3fd62116ad0ae9f...
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.