OpenTechnical

OT-2026-000072469

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072469) never changes.

Identity and time

Publication numberOT-2026-000072469 · never reused
Internal UUID01a0ae92-89d8-73c7-94b7-1e3e81853d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072469
StatusPUBLIC

Content hashes

Canonical textb2b824ee3fc5627d7ced806a2af2b96ec25ace6101f0b4d741fa9ba2209cd751
Markdown6bfa1f61cef287311e69e6d2b8be981f8cb2830f3de2488c0fdbe734760916f0
PDF
Publication paged8801dbfa5926beb9a0764caa61c844c1b08b133ddf771dafc2627bfae65073f
Manifest81da02ee20ad321431389c528720fd466edf9aafd8017f06718825aaaf078678

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
SignatureqLKE7bdoeNXxFz0Up19mENT1fVismEZOG8vWEY/DGgqwd+EiAESw/l4krUCxYcmPvUMsxREO1VZQ9zjOmU1uBA==
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

2026-09-17T10:22:17.674630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072469
observed d8801dbfa5926beb9a0764caa61c844c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.658428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072469/manifest.json
observed 81da02ee20ad321431389c528720fd46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.641881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072469/publication.md
observed 6bfa1f61cef287311e69e6d2b8be981f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.624302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072469/publication.txt
observed b2b824ee3fc5627d7ced806a2af2b96e...
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.