OpenTechnical

OT-2026-000034576

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000034576) never changes.

Identity and time

Publication numberOT-2026-000034576 · never reused
Internal UUID01a0ae76-1ed0-7106-9446-42ffbb5d6633 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034576
StatusPUBLIC

Content hashes

Canonical text56c163aa783220de52f33f28c9a85103c3ba028fb3534fb904a7647792285782
Markdown054d80bae95c0b2fa10ce06d7ef6eb7ea72384e969d6a4408239ed8dbb9fc6d4
PDF
Publication pagefca1f6119e43a37a9dc3ff807cdca2c171374a1641ade31874db00a70fd1c738
Manifest368d94e408e514dfb49ece9e06a8e2bab7df1955e1f27d96a189af2129900645

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
SignatureNQVuP7aioe6tv4q8kTbwRzNYPQr4M45w75Kh9kbQfDkHqpgZV2TmQ2BPZ3K2hnoyxYwawt1gE4yoDCQWUxkcDA==
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

2026-09-17T11:28:56.727191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034576
observed fca1f6119e43a37a9dc3ff807cdca2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.709118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034576/manifest.json
observed 368d94e408e514dfb49ece9e06a8e2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.689357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034576/publication.md
observed 054d80bae95c0b2fa10ce06d7ef6eb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.671447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034576/publication.txt
observed 56c163aa783220de52f33f28c9a85103...
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.