OpenTechnical

OT-2026-000011634

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed 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-2026-000011634) never changes.

Identity and time

Publication numberOT-2026-000011634 · never reused
Internal UUID01a0ae6d-193f-7b73-9eac-0dace3101256 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011634
StatusPUBLIC

Content hashes

Canonical text5c471150e18375f26a787ddd681402beb85b7fa8967ac297a33b32227814cf16
Markdown1a6238d46a724f88d9b09e3a8fe6572d957cde99646379ba75c73ae395b2782d
PDF
Publication pagecf1b85dedf53e1370c79cd9dd5c976fc0c8a4ad139de4a21df0ca072ab980bea
Manifesta7ee1600c6973b7dff2ad7d36cd578b156ae7847d0ee8b4067ecd57b6b182237

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
Signature1f+BGD7O43Lf2EIrObfhw+7qgel+kPBKLiU97YAPDV2MvOTUXa4kTfdCQNyEOFdt2Y3srujo/52xtmAw02FECw==
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

2026-09-17T12:12:13.088394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011634
observed cf1b85dedf53e1370c79cd9dd5c976fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.069181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011634/manifest.json
observed a7ee1600c6973b7dff2ad7d36cd578b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.051687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011634/publication.md
observed 1a6238d46a724f88d9b09e3a8fe6572d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.033922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011634/publication.txt
observed 5c471150e18375f26a787ddd681402be...
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.