OpenTechnical

OT-2026-000092108

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000092108) never changes.

Identity and time

Publication numberOT-2026-000092108 · never reused
Internal UUID01a0ae9d-8759-727d-aa30-32cbe62017f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092108
StatusPUBLIC

Content hashes

Canonical textc40eb65481c8cb4484935bb332cd975bb5eb862595112a2a9a9f04994be6a7f4
Markdown63da00f9ff16a03a119af301729ac9538d2142e5fc94d6b2e8380dc50a43e059
PDF
Publication page21d6f515f371e49592d03f009a817cbfc7230ea67e00b5f2757839a53d0ff2d0
Manifestccf572d19aaed4f9ceffc5ce8440758ac6e44effe867950feb13cbb222d9cb18

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
Signaturew4WTUWI5ei1qY9yaSls2V+EuIPylzDTowHUdRkKCKUkWocc4cPa0AHIk1n14TJh6gTkE5A1SzsotHZgXLogRCg==
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

2026-09-17T09:41:33.511281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092108
observed 21d6f515f371e49592d03f009a817cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.491162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092108/manifest.json
observed ccf572d19aaed4f9ceffc5ce8440758a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.472765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092108/publication.md
observed 63da00f9ff16a03a119af301729ac953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.453500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092108/publication.txt
observed c40eb65481c8cb4484935bb332cd975b...
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.