OpenTechnical

OT-2026-000052722

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000052722) never changes.

Identity and time

Publication numberOT-2026-000052722 · never reused
Internal UUID01a0ae84-a42d-779d-aed2-3783b6620a46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052722
StatusPUBLIC

Content hashes

Canonical text2456000e64becbc9463c8c83877570c5bee92198da753cef8549a5f2d3d9ff0f
Markdown7b5b1601651057fd7c05567f3c28a2f3941d2b278cb53deabea9d264d131a437
PDF
Publication page2a738b2c3c7a9a263ad206a4cc147769479235bf534e3fe1886b9fc466ea0dde
Manifest15a56b80c8e63e89fed59008493e77eecd15abbdbd80529c19cabd8b11e02568

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
Signaturex+s98g7H5VNfIB2hFqkPTqmFCYpyIK9FlWqvnkaq89jlY5l1W3ybpKlVR5Vi2HpddQM3/P/saS+612MvgfGZBg==
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

2026-09-17T10:55:42.866903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052722
observed 2a738b2c3c7a9a263ad206a4cc147769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.847830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052722/manifest.json
observed 15a56b80c8e63e89fed59008493e77ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.808853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052722/publication.md
observed 7b5b1601651057fd7c05567f3c28a2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.768333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052722/publication.txt
observed 2456000e64becbc9463c8c83877570c5...
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.