OpenTechnical

OT-2026-000006994

Publication integrity record

Bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, plastic cups

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-2026-000006994) never changes.

Identity and time

Publication numberOT-2026-000006994 · never reused
Internal UUID01a0a96e-e2ec-7ab6-8946-066d8c94e706 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:51.695308Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006994
StatusPUBLIC

Content hashes

Canonical text58a3bcfea4d95520db4fb4437b8c81278cb540aec0520f5eb46f6b0fdaa38bcd
Markdownb3451fd1c70e92fda4c9ba694dde2a2127510bbaf7e3a37b3ab4fcfc57d9cad6
PDF
Publication pageffbe24ff660bac337cb047fd15bb381d86758cd302000284897f1bdb8bb733a0
Manifestd4ec13c902747af3a1409e22bd5aa60056620329103a7933d4d727b23788ef06

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
Signatureu5jSD21uWxn1TND/sIktmwn1SGa9q8GWD5PW+HSNeAbmB19psOLRbHJK7zyKjX8tnj/6IhjCkqpK4nyS1Ud/Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:13.913461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006994
observed ffbe24ff660bac337cb047fd15bb381d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.900893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006994/manifest.json
observed d4ec13c902747af3a1409e22bd5aa600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.886955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006994/publication.md
observed b3451fd1c70e92fda4c9ba694dde2a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.749910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006994/publication.txt
observed 58a3bcfea4d95520db4fb4437b8c8127...
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.