OpenTechnical

OT-2026-000083053

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000083053) never changes.

Identity and time

Publication numberOT-2026-000083053 · never reused
Internal UUID01a0ae97-c961-7a9a-b9fe-200dac47b793 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083053
StatusPUBLIC

Content hashes

Canonical textbac079e03438365eb6cb5a425c2b03f0fde2a858664295193c0226766aa7abbd
Markdownde8274d4817ab5acafb3289d35d67a673a4c9e8a74fe34bf0579d3ce8b474dfb
PDF
Publication pagea28e34d4e0e45a17d4454f3dc8dce213986b456c90e01ffd4aa6efcc6a79ccec
Manifest505cd071f0a426e6ba5efc6be42b687daed5aed7ecbd04a20fcc58505de18558

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
SignaturekTFhQYokrD8fSrsodzb3gS8oKLOqD527XusXA1XhcgPCt3NZbvk0sdkSAl0En9FSSP/hB/rVTA/2R9Mgce+6Ag==
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

2026-09-17T09:00:27.573433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083053
observed a28e34d4e0e45a17d4454f3dc8dce213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:27.175411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083053/manifest.json
observed 505cd071f0a426e6ba5efc6be42b687d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:27.157345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083053/publication.md
observed de8274d4817ab5acafb3289d35d67a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:27.135777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083053/publication.txt
observed bac079e03438365eb6cb5a425c2b03f0...
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.