OpenTechnical

OT-2026-000044978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044978) never changes.

Identity and time

Publication numberOT-2026-000044978 · never reused
Internal UUID01a0ae7c-911d-7cbd-9d5d-275f89733d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044978
StatusPUBLIC

Content hashes

Canonical text16f69f8c5b2b0bc67c9b686f0f7457d159524e02cb144306de2d4a7e5a79f612
Markdown5c928174666f4cbfcfc5fbbc9c9b4fdb9e6fb4c569a1eef6ef655837ceee17b5
PDF
Publication page17e562e177ec65433fdbd698b1199a58e91e92bda3442de3568ee394d20db646
Manifest45a6c9b2948b663beb3e7bacec46877827510fe759ed868a52618e6b46bab49a

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
SignatureOGsz3Z8nUu3Ryzpg/t4L0/k8e5BQTZURIYfaGTz9TgZN0OeKbM6Q+X07bOxv+nxUfmqtAImYNsR9T0nJpR28DQ==
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

2026-09-17T11:11:40.006477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044978
observed 17e562e177ec65433fdbd698b1199a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.987103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044978/manifest.json
observed 45a6c9b2948b663beb3e7bacec468778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.968422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044978/publication.md
observed 5c928174666f4cbfcfc5fbbc9c9b4fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.949260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044978/publication.txt
observed 16f69f8c5b2b0bc67c9b686f0f7457d1...
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.