OpenTechnical

OT-2026-000026156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000026156) never changes.

Identity and time

Publication numberOT-2026-000026156 · never reused
Internal UUID01a0ae71-a841-72bf-a1dd-0063c7d9cb7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026156
StatusPUBLIC

Content hashes

Canonical text3d5a7b1b4478a9a70769231e697e1eded407f497e73d239cad0b36c768dd5d65
Markdown2a5da4be453653509c226b9853454c5e9b20e09964ba4bc71dc1dde1fff564fa
PDF
Publication page142b737c6143f3cd423c2bc6dfd51bc465860e17efda8e26de89ef26b34575c5
Manifest264f7a078e6e8d86786f802fdc3eef95021df6fe6289f91947262a08d8292fba

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
SignatureYxIvhO7FHAxqa7bNrjDm0vmshO2v3r1MkFQqS4VHZd4vb6ibwOcD+UdqHKw8hn6uAFZK3SPSYBZaXyBf16M2Bw==
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

2026-09-17T11:46:39.602686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026156
observed 142b737c6143f3cd423c2bc6dfd51bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.584465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026156/manifest.json
observed 264f7a078e6e8d86786f802fdc3eef95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.565438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026156/publication.md
observed 2a5da4be453653509c226b9853454c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:39.548450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026156/publication.txt
observed 3d5a7b1b4478a9a70769231e697e1ede...
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.