OpenTechnical

OT-2026-000078891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078891) never changes.

Identity and time

Publication numberOT-2026-000078891 · never reused
Internal UUID01a0ae95-ccbd-739d-840f-e3646db4fda4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078891
StatusPUBLIC

Content hashes

Canonical text8b06d1cb21f93346cb3ad3b533d1e5e76e29eb36ecbc78f9f1ba3293a20a1c83
Markdownd27da6e556492403157023f16ee494d0873d77360822747833952e645a1a1fda
PDF
Publication page58dee073dd26abe160747bd7969832d4a4f9b0c288e04ef4d5ef5ccc3c29062c
Manifest943b2c8ea548b04a988464069e0fc3f840694b1bb2205e0ad51c0f510ba0c0a0

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
SignaturefTdmhTKILby9JmsEcjl5aGW3SllrrzFABo+Lb+9+pLxMMJqH08u7v7ZLE4eju7s95+nhAoikYl+rPrGyqn9zDw==
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

2026-09-17T10:05:42.013306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078891
observed 58dee073dd26abe160747bd7969832d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.996414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078891/manifest.json
observed 943b2c8ea548b04a988464069e0fc3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.978944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078891/publication.md
observed d27da6e556492403157023f16ee494d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.959842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078891/publication.txt
observed 8b06d1cb21f93346cb3ad3b533d1e5e7...
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.