OpenTechnical

OT-2026-000028726

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000028726) never changes.

Identity and time

Publication numberOT-2026-000028726 · never reused
Internal UUID01a0ae72-e2fa-7f93-b687-dfec5fb75389 · 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-2026-000028726
StatusPUBLIC

Content hashes

Canonical text6962f6cf5973182f3dd1b82c20dbe07ae369df61f764e59ba5249c3d41dbb70a
Markdownaf591f358ff13565b84c9a6faca6a4ae6331080ff51d65c12a6007f6163ec3c5
PDF
Publication page61a555a7d77d2a1413c4f7ffc138b44fbb8a67bbfbbce038b5d3664c9c4f143c
Manifest6b8f7239d1bc87fd1c829b3e2ecc56c8616cea5c89fbb8a14db7dda8864465ca

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
SignatureIoeC3/MV9NVLicsl5BVmHw0ATx52OtCHIELY1KmAjqZ2/XS8L/es59MV+6yU83mnT56l1F2WkELH4oVP0LNmDQ==
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

2026-09-17T11:41:44.193921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028726
observed 61a555a7d77d2a1413c4f7ffc138b44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:44.171434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028726/manifest.json
observed 6b8f7239d1bc87fd1c829b3e2ecc56c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:44.147559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028726/publication.md
observed af591f358ff13565b84c9a6faca6a4ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:44.120935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028726/publication.txt
observed 6962f6cf5973182f3dd1b82c20dbe07a...
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.