OpenTechnical

OT-2026-000082515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, sustained 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-2026-000082515) never changes.

Identity and time

Publication numberOT-2026-000082515 · never reused
Internal UUID01a0ae97-8cc7-7ed1-afad-3856d07ab0d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082515
StatusPUBLIC

Content hashes

Canonical textf94357761b3805991d69e78e68977c8124ea7cd9c5e80c7789ead19362179314
Markdown37f62cecf1e0641a2e7f2a04d2d825999b3e1528e7e44209d388793dc8449686
PDF
Publication page624eb0c4fb5e241fc19f71a419260c05e0b125072f8bc4d0a78285500d90005a
Manifest93027ff540c3cb2bace55c3aca9e4d55554c48ba2b522e70146d2b8b1b803c57

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
SignatureLGkdijc4m3cul5+1Ya/+IwX+wwqH+rbRg6vXJRuHLUpLGsCwMVNLvmJ28AamjvvHRWV1bGKr+FcY2+7A5npnDQ==
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

2026-09-17T09:57:56.830382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082515
observed 624eb0c4fb5e241fc19f71a419260c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:56.814534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082515/manifest.json
observed 93027ff540c3cb2bace55c3aca9e4d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:56.799679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082515/publication.md
observed 37f62cecf1e0641a2e7f2a04d2d82599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:56.784044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082515/publication.txt
observed f94357761b3805991d69e78e68977c81...
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.