OpenTechnical

OT-2026-000099247

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099247) never changes.

Identity and time

Publication numberOT-2026-000099247 · never reused
Internal UUID01a0aea2-8289-7ac6-9616-96acf1a67b48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099247
StatusPUBLIC

Content hashes

Canonical text8647c627487ade45c16044ca79274e0f40fd853313b667af889d043e87afe16b
Markdownca921930aaa2fd5d9cee6784b48fb821f452a964621d08406479199de00d9bd1
PDF
Publication page104e534349cb4924cc81a7464e645cc1f9ac6a4fa2035d62baf309edfcccf193
Manifest9e1dffed0042e68c879c16410cf298b85458d49e60e791b184d4660909944e63

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
Signature4XRB9rYgpIuDluuFqDtzX25u/WJoMYDzNfKEIrEoLzL4kQf3f9YTkkJuztocxdnArqyMjGoT4ZkqiTak7WcbBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:41.218464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099247
observed 104e534349cb4924cc81a7464e645cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.200322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099247/manifest.json
observed 9e1dffed0042e68c879c16410cf298b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.182343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099247/publication.md
observed ca921930aaa2fd5d9cee6784b48fb821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.166172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099247/publication.txt
observed 8647c627487ade45c16044ca79274e0f...
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.