OpenTechnical

OT-2026-000028326

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000028326) never changes.

Identity and time

Publication numberOT-2026-000028326 · never reused
Internal UUID01a0ae72-e2f5-77ba-b356-aafa232315e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028326
StatusPUBLIC

Content hashes

Canonical text3d9a5dfdadca9658f7e79e71fa57dac011593f9d7d5b83b2f32e137676ad663e
Markdowne68a248aefbd08a7eaf6b50e2a07dffca628953066acdf0c4447f6ece19604a1
PDF
Publication page5d5d9a4e2d9f0cc97e4a4a15a3ef4e4232d5dee644ee20a3f71f98f9eaf02686
Manifest4161636e1caef3154d4f7351440f1d6774ca68aa7e740622a07f17adfc8cd5d3

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
Signature6DhARDPr1hcyTLBlabZ/KdaGfLyy2dLT/eWuXZlO5BZbA1zVp6ztYSevk8nWp3Zz9QSHAfX/l0evGrOwOMR4BQ==
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

2026-09-17T11:40:19.651114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028326
observed 5d5d9a4e2d9f0cc97e4a4a15a3ef4e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.632704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028326/manifest.json
observed 4161636e1caef3154d4f7351440f1d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.612492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028326/publication.md
observed e68a248aefbd08a7eaf6b50e2a07dffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.591893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028326/publication.txt
observed 3d9a5dfdadca9658f7e79e71fa57dac0...
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.