OpenTechnical

OT-2026-000086889

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000086889) never changes.

Identity and time

Publication numberOT-2026-000086889 · never reused
Internal UUID01a0ae9a-80a4-7fc1-8b38-801c42b25346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086889
StatusPUBLIC

Content hashes

Canonical text8c7263680d3cc7e6ef1d99e40b74e8bb68307cc0170f2a5e8fd80bc42c3e2fd8
Markdownb041819cf433d6de4eb50b01d2762897146499739aa49b00e853011cd58cb20c
PDF
Publication page22411d91c1672d78641b93fd950fa94ba848d3a0230065cc193a4d020db7833d
Manifest85b98bb118bae2026d88b4b9d816a28a1854f7f7cec43e39a038badb7404b8ca

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+c9PVlNFVe+mmFuEYPjB+9k2TkZ+j/Bv3HSBVtwLkp3VV3vFDxEORtMAtD2pd7P9Fuq1LJteMAjTdvNlrYCiAg==
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

2026-09-17T09:51:44.239463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086889
observed 22411d91c1672d78641b93fd950fa94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:44.221497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086889/manifest.json
observed 85b98bb118bae2026d88b4b9d816a28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:44.203792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086889/publication.md
observed b041819cf433d6de4eb50b01d2762897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:44.184602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086889/publication.txt
observed 8c7263680d3cc7e6ef1d99e40b74e8bb...
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.