OpenTechnical

OT-2026-000025229

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000025229) never changes.

Identity and time

Publication numberOT-2026-000025229 · never reused
Internal UUID01a0ae71-5fa6-7c38-9620-226382090cb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025229
StatusPUBLIC

Content hashes

Canonical text77c395bba0a5e11633aa26584b22d7409d3f5f01321cfac8609fca253d1bbce1
Markdowna8e81ead5ada8d51a5a17a9cb07acb13995d66c6689d5ce9062f50c4d23f0ac3
PDF
Publication pagef8cbab43549da68ff7bbbf6c7b727587eac13ba190f9b3e3c92e2504cd9761b4
Manifest2b4560dcadb4251527a22a64879d32dd6d7cb7c620919dcb895acdda2271609b

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
SignatureAVmT9UQvp0LUs0DtSN2tCCDKKyuh9ZW033BkZS8T/CNVKwdg2Wi/0FYPLxXm+92l+h61EEoGMBx/RmNsZxI+AA==
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

2026-09-17T11:47:14.235943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025229
observed f8cbab43549da68ff7bbbf6c7b727587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.219371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025229/manifest.json
observed 2b4560dcadb4251527a22a64879d32dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.202382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025229/publication.md
observed a8e81ead5ada8d51a5a17a9cb07acb13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.185781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025229/publication.txt
observed 77c395bba0a5e11633aa26584b22d740...
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.