OpenTechnical

OT-2026-000061771

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold 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-2026-000061771) never changes.

Identity and time

Publication numberOT-2026-000061771 · never reused
Internal UUID01a0ae8b-b8ab-7d48-9e43-11ac7a13237d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061771
StatusPUBLIC

Content hashes

Canonical textafeac365db7ffb0ddc24d2de7c9d174da6069a5fbbe35d22f4a8150ca3518bca
Markdown723cb205e05a8e42985982a9d6be09f0c70208589a031fb803009aed98a90d3f
PDF
Publication page9f3ed7709d2faf891a760c1b985062ed6ecde73070bb16fe2e13ebc840a16fa7
Manifeste2951cee0d4f250a059667cb475f82a22897595c642eca8e304eb171013bccfa

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
SignatureiaHCXT8R30iBdk5abzWXFR7LmMxrrs2Zwn5t/xIzt0zHb2/Fm45A8bAoFvuEnsLTo/Nf7IrvV+HnRHdUdQE0BQ==
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

2026-09-17T10:40:28.798519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061771
observed 9f3ed7709d2faf891a760c1b985062ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.777249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061771/manifest.json
observed e2951cee0d4f250a059667cb475f82a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.756455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061771/publication.md
observed 723cb205e05a8e42985982a9d6be09f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.738426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061771/publication.txt
observed afeac365db7ffb0ddc24d2de7c9d174d...
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.