OpenTechnical

OT-2026-000034154

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000034154) never changes.

Identity and time

Publication numberOT-2026-000034154 · never reused
Internal UUID01a0ae75-df0d-7add-9105-ee53782d53ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034154
StatusPUBLIC

Content hashes

Canonical textbb9a80bda3e72a3b387003a0c66473c3ff37406e4ae99a0e1c6ca147242fc33f
Markdownbe1bc6bee512f81fcec89e88ab90f6acc2229e094781d2f28fab53b1293ef81d
PDF
Publication paged6b0949e33120f395971d502a69e5cf96fcb56f3eabe3d274ed042c2e3da65f9
Manifest8423f5f99c2b961cc8c46448fdb83aaf2dba0488889b27a298b91178981de9a8

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
SignatureZnp7cRNTcapkZELxMO+E/v1XX6wePBFJbRig4mMn5cgLHYUbx0gspYQ1/EF1YBzDA0P+44CrPCHxNYJ67AJWCQ==
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

2026-09-17T11:30:33.267006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034154
observed d6b0949e33120f395971d502a69e5cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.249363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034154/manifest.json
observed 8423f5f99c2b961cc8c46448fdb83aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.232541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034154/publication.md
observed be1bc6bee512f81fcec89e88ab90f6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.213620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034154/publication.txt
observed bb9a80bda3e72a3b387003a0c66473c3...
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.