OpenTechnical

OT-2026-000086676

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000086676) never changes.

Identity and time

Publication numberOT-2026-000086676 · never reused
Internal UUID01a0ae9a-2c99-77b6-aba4-4e928aa02179 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086676
StatusPUBLIC

Content hashes

Canonical text93ab4a2b6dda625b6db68927fcc9c3b5b717f4a0e2daa77071cfd61d09902d5e
Markdownf1437b5fc60333d0320197fa76450a106cf15c1a2aa223f76296d9569e7315ed
PDF
Publication paged0ed1620a7cde79d22edd4db18de6e29d3e08e4f044aa3dbad8bb9f5256ee753
Manifestff31d2c15d627a8f4f75d88acdfbe47f30773e81ad7a0770eb104e7fb9e6619e

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
SignaturenT0bZvThaIAUoUgyS66JevGgcWYJmDNwHeBMbkkdeT3ppL8rpeDmhfpc2rReh6a5LMeHvT6u+2LbN92H3NNVBA==
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

2026-09-17T09:52:32.495036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086676
observed d0ed1620a7cde79d22edd4db18de6e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.477915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086676/manifest.json
observed ff31d2c15d627a8f4f75d88acdfbe47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.460448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086676/publication.md
observed f1437b5fc60333d0320197fa76450a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.445473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086676/publication.txt
observed 93ab4a2b6dda625b6db68927fcc9c3b5...
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.