OpenTechnical

OT-2026-000011679

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000011679) never changes.

Identity and time

Publication numberOT-2026-000011679 · never reused
Internal UUID01a0ae6d-1940-7e8c-8ec3-a54f56fdf22d · 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-2026-000011679
StatusPUBLIC

Content hashes

Canonical text4fba2a5618eb1df4d2062a1f6a043771470eeb80c849a104b85af706bccbc983
Markdownd630a52a2d0716b1d9d0c5238393d157816a66dc228e6d353f194a58d526197e
PDF
Publication page7a353e94db3681eeabc74c77d476efddd76ed144b991812517b1a963bcf90a39
Manifest3fbdad351e9a6e16a2d1b2f22d14d1f7f597fd4399c8bad35e160c642a3ca159

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
SignatureMcj7+nBRL44dlKq9NBMtxCYjl6UQNbVqsHl6HKoHANzzCrPKTlE1ZSNE5rs8XMSc/91tbteyvOz4EI7GdTabAw==
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

2026-09-17T12:12:16.573164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011679
observed 7a353e94db3681eeabc74c77d476efdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.551750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011679/manifest.json
observed 3fbdad351e9a6e16a2d1b2f22d14d1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.532411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011679/publication.md
observed d630a52a2d0716b1d9d0c5238393d157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.512773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011679/publication.txt
observed 4fba2a5618eb1df4d2062a1f6a043771...
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.