OpenTechnical

OT-2026-000091618

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091618) never changes.

Identity and time

Publication numberOT-2026-000091618 · never reused
Internal UUID01a0ae9d-43b8-7271-84b6-65666691c164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091618
StatusPUBLIC

Content hashes

Canonical texte23cb05691d6d37eccf4ff38fc71e6483975570090024d1741fedd357f73e768
Markdowndff8d8d0e6c8edbf1e81c7bf0a1a75ca69336a2db97b3e3a9dcf1fd4ad18d4d1
PDF
Publication page4a80454ae884b85e8938cf5ce339caf96b893a2bb37492994d13e725f5cc028c
Manifestc1f4cf0a9d9054b3ebe24b2a5c0442b7301a2c97602775bc80a6d344c8e9255b

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
Signature7c/5Xre7DnO0d5UJDhLTOQVyPB/U8T2N+4HiikbTBrQbvHQrDaskVqVFQ3aI47fBJEDx/lwtPiXA3TM2mkTWDQ==
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

2026-09-17T09:41:58.623935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091618
observed 4a80454ae884b85e8938cf5ce339caf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.605329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091618/manifest.json
observed c1f4cf0a9d9054b3ebe24b2a5c0442b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.586957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091618/publication.md
observed dff8d8d0e6c8edbf1e81c7bf0a1a75ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.520201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091618/publication.txt
observed e23cb05691d6d37eccf4ff38fc71e648...
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.