OpenTechnical

OT-2026-000048438

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048438) never changes.

Identity and time

Publication numberOT-2026-000048438 · never reused
Internal UUID01a0ae80-4de5-70ac-afa4-eba3ca46a195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048438
StatusPUBLIC

Content hashes

Canonical text1bb8ab02eb6f8469a3408cdc2ea2e17fa8a2502002a8e0b14f87205c279751ad
Markdownc9625998a4f3570408d9426cb4431349c191410d9edddc4a880ed4556695f3a6
PDF
Publication page79876adbc6f7873efa2f6a598f36861998f25fe6d4f3f06d62bb1aa7eb48aad4
Manifestcfb286bd035cd3db70a28d63b94a094b387b0d2fc2fad806e26986a2c1623494

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
Signature9oebh+JcqzdSbKkUN/h8Kq+65uX7xd+VE3EA76O1vHOoeNVeX0Goca1rNvCJrwrPRdzhwcXvb92msG8MhRI3DQ==
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

2026-09-17T11:05:05.382216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048438
observed 79876adbc6f7873efa2f6a598f368619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.364504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048438/manifest.json
observed cfb286bd035cd3db70a28d63b94a094b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.346729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048438/publication.md
observed c9625998a4f3570408d9426cb4431349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.327745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048438/publication.txt
observed 1bb8ab02eb6f8469a3408cdc2ea2e17f...
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.