OpenTechnical

OT-2026-000043826

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000043826) never changes.

Identity and time

Publication numberOT-2026-000043826 · never reused
Internal UUID01a0ae7b-d677-7780-99df-ef83ad8c0c09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043826
StatusPUBLIC

Content hashes

Canonical text16904d76fcc8a6331c4810f74733ff62829b45c33dac4730887d379ae107ae98
Markdown6a505f875b6d999d9d5e6b1d68ab2fb6712839c5704a0d3cc1d3f340e4bc6c12
PDF
Publication page56eaddc2f5aa3bb62a6df9920ce9d7eba6230b41a8515b6eb46f36a5ef3ead03
Manifest5fafba56ac605256e3825b8df2efd4238140d6a4a9a6433c4215edabf8e318d5

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
SignatureLIqqvG+3HgGhkagMg/Nh+0UGU7DQKBGMEITrPF4pytjGxTQ2FrdlCnNdPdCgHSsd67OwNAefC2u9zKwlRtOnAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:08.236699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043826
observed 56eaddc2f5aa3bb62a6df9920ce9d7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.218035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043826/manifest.json
observed 5fafba56ac605256e3825b8df2efd423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.199917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043826/publication.md
observed 6a505f875b6d999d9d5e6b1d68ab2fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.181450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043826/publication.txt
observed 16904d76fcc8a6331c4810f74733ff62...
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.