OpenTechnical

OT-2026-000067986

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000067986) never changes.

Identity and time

Publication numberOT-2026-000067986 · never reused
Internal UUID01a0ae8f-c4fd-7b7a-b78b-885323784e25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067986
StatusPUBLIC

Content hashes

Canonical textaff9bd3ed5bca516d8b5fa45076f2e5287501be5e20a6279fbdc967f56093a25
Markdown46a580ddf2014b7f8347b74ed4d275b3e67701a4c448b65920128e7fd31ef127
PDF
Publication page54e398de0fb769692c0137320115606185977317254e8c61fd63df11bbb9e851
Manifest41703997cf3c2e4f15174c2e11e1b166eed57ef52a655a42f4294eb77671fbbc

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
Signature1yIZQE4HGmD6WTqsmEMP5xLF5aUsY1Y/5lJ78bHsebLEacFj0iwQ07ciLjqciKhly0fdtlpsOCCdJ/QWI1nKAg==
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

2026-09-17T10:30:32.119583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067986
observed 54e398de0fb769692c01373201156061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.100513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067986/manifest.json
observed 41703997cf3c2e4f15174c2e11e1b166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.078644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067986/publication.md
observed 46a580ddf2014b7f8347b74ed4d275b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.062475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067986/publication.txt
observed aff9bd3ed5bca516d8b5fa45076f2e52...
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.