OpenTechnical

OT-2026-000055666

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000055666) never changes.

Identity and time

Publication numberOT-2026-000055666 · never reused
Internal UUID01a0ae86-a103-70e6-ac3c-904189173561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055666
StatusPUBLIC

Content hashes

Canonical textc93ee040f99a2a3d00e1a6a5e39e3f737db1719d25c0cdce01b9b084dafc3dbd
Markdownd66828f23970fd46ec87d35e6d4fd7caa1ee3a096d8660500f8a51f95c3b1eaf
PDF
Publication pagef3d72b79895d0dd34c152c27dcd933ea91f9e5e3ef4232e687914fe2181e1d7d
Manifest11cffd78f07392e17d8cac17f36a7a2867440494ff1f71e6cc8cdac12ed8d055

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
Signature8nFKRbPYUgtC/HxVIk8/CiAObeEZZbzbpEPsqhxhYgNNiVkiPK+54fW9PweNPV/KF0/9A+Vz/veGf40CdMYZCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:55.629629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055666
observed f3d72b79895d0dd34c152c27dcd933ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:55.610090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055666/manifest.json
observed 11cffd78f07392e17d8cac17f36a7a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:55.590040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055666/publication.md
observed d66828f23970fd46ec87d35e6d4fd7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:55.570679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055666/publication.txt
observed c93ee040f99a2a3d00e1a6a5e39e3f73...
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.