OpenTechnical

OT-2026-000058691

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000058691) never changes.

Identity and time

Publication numberOT-2026-000058691 · never reused
Internal UUID01a0ae88-f39d-7ea4-bd97-0ffc1f939684 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058691
StatusPUBLIC

Content hashes

Canonical text7e1acd86faf92320bfb43dfed5ad9c00517962fc2d12b09f484963f19cccc072
Markdown19b18ed613577c4ddd77275cdc3db095c9c9b8f013fa8f4e067ebd2c0e11f3ec
PDF
Publication page921edf26c7a8acbb49b4fd429249087c3fbf003b7f47e66e6b923476244a68d8
Manifest8181c94bb3525b3083db43708f59ef5aa5c272876b8d4c655827afcb04d48eeb

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
SignaturerrP2fxh72UZDswx6urr7eQfsKceSa4fqkJDJnipaOzjWIu+siWofcw57NIhMdPVVTaMEsDlMaknesRt9Qp4gAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:12.815861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058691
observed 921edf26c7a8acbb49b4fd429249087c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.798334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058691/manifest.json
observed 8181c94bb3525b3083db43708f59ef5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.782664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058691/publication.md
observed 19b18ed613577c4ddd77275cdc3db095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.766406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058691/publication.txt
observed 7e1acd86faf92320bfb43dfed5ad9c00...
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.