OpenTechnical

OT-2026-000079491

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, sustained blow-off before 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-2026-000079491) never changes.

Identity and time

Publication numberOT-2026-000079491 · never reused
Internal UUID01a0ae96-0b91-7630-892b-4097e7899be8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079491
StatusPUBLIC

Content hashes

Canonical textedd41f5f0320508a83fca95db6ba3d3f6c9e22fc7da734436941ca99d9641f35
Markdownffe2b8d145fa40336f64be80f840c007c69e4f0d9994172474124065d4f88c92
PDF
Publication pagea98782802d5d1c9132a267e252bc2a55a1a2420dd0f6d8a1b429f306148cb6ad
Manifest4bab828f9e9944363d1a73b189d26ded9342f1baea41c579a3ef1f4a7dad1e74

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
SignatureukrR1xC2YsYjVDIzvL7VVjpEt7ppKG61hWLWsvtX7oBnExs3BXDCRSluXqRHdwVyhpixHp4wRMPjoGyB0L4rAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:06.881789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079491
observed a98782802d5d1c9132a267e252bc2a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.863814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079491/manifest.json
observed 4bab828f9e9944363d1a73b189d26ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.845627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079491/publication.md
observed ffe2b8d145fa40336f64be80f840c007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.826679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079491/publication.txt
observed edd41f5f0320508a83fca95db6ba3d3f...
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.