OpenTechnical

OT-2026-000011605

Publication integrity record

Foam pad 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-2026-000011605) never changes.

Identity and time

Publication numberOT-2026-000011605 · never reused
Internal UUID01a0ae6d-193f-7b73-b972-a5732c901585 · 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-2026-000011605
StatusPUBLIC

Content hashes

Canonical text978643f02bc47f7b93d7e52df0658630cf2c128c90c94807c7b3cbf2eb48f3e4
Markdowncc1684947cec9b5a3240e2b39bd23b9ba76263e31cc8ab12f9521e063b8197df
PDF
Publication pageb9377893f4f5f075bbebf40dfe7df3f060a6a717d49a48c71e66a4e89f82e3e0
Manifestc98b51dfb5f6ee615491f5d1a3ed7dda254397dd9a6963644d973d9922f833be

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
Signaturez8YmrsdPPKtlGrj1Lbp+jvV/OwiI/0nbqVrFIQgdt9sAP3qiwRBzxgIFOM6lhbkbnYsje+PCrMlRJHKNvj4ODg==
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

2026-09-17T12:12:11.044877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011605
observed b9377893f4f5f075bbebf40dfe7df3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.025044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011605/manifest.json
observed c98b51dfb5f6ee615491f5d1a3ed7dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.005138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011605/publication.md
observed cc1684947cec9b5a3240e2b39bd23b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.984915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011605/publication.txt
observed 978643f02bc47f7b93d7e52df0658630...
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.