OpenTechnical

OT-2026-000085807

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, sustained blow-off before set-down

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-2026-000085807) never changes.

Identity and time

Publication numberOT-2026-000085807 · never reused
Internal UUID01a0ae99-e829-7706-b9e2-012e40675def · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085807
StatusPUBLIC

Content hashes

Canonical textcaf87bcc545797003aa8813224595ec45fed64a9dd5a6e0c7ae804795d5d3e87
Markdowne162415871a9d6105fb557fbe1150489635be0d3be8c7187dd005225d3f7ecdd
PDF
Publication pageb0c00e75e18068a190bae4a9d83ad4042b2c92cba7a07b3c8ed983e1a910d4be
Manifest4d05f726106ffc596054d0f1d08ea37d9814ad013b89036616fd99bba774c68f

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
Signature/dvrSzpNjsrQ/xRQ0Adcq1oOwsuJ/ivwwVfgxJQz/9/qM+AHCZ4RfBhTLB4TaOiCiWGF50AYvtkllqIPHNHLAw==
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

2026-09-17T09:52:43.514708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085807
observed b0c00e75e18068a190bae4a9d83ad404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.497938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085807/manifest.json
observed 4d05f726106ffc596054d0f1d08ea37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.481181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085807/publication.md
observed e162415871a9d6105fb557fbe1150489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.463021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085807/publication.txt
observed caf87bcc545797003aa8813224595ec4...
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.