OpenTechnical

OT-2026-000064514

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000064514) never changes.

Identity and time

Publication numberOT-2026-000064514 · never reused
Internal UUID01a0ae8d-a461-7dab-ab41-56e604ee89fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064514
StatusPUBLIC

Content hashes

Canonical text7f3ba44903a36a4fcb8c3439d989d7681f9d035a800a6ae40711abb5f3b32c3f
Markdown6e446fab70d5dae91f54686200786c41df6f02bfe0f55543cbfcaf58df5678ad
PDF
Publication page61ba9e5e8965e02edd7feb6f7352ad53b62c982cfae778ac9ac7004c6d7cd679
Manifest3afa4307aae648616ac7e0a9f891cf5058495030d23d083c10aa2759f24cc5e9

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
Signature/z73iw7xyAEAMD3SmSRqjDys1OzSK2oL/6Z95OWWMdwIGNt/VR/JXqXXUIce3On5BT+DcqFB2gN8ERgGlCf2Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:43.482809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064514
observed 61ba9e5e8965e02edd7feb6f7352ad53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.465671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064514/manifest.json
observed 3afa4307aae648616ac7e0a9f891cf50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.448944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064514/publication.md
observed 6e446fab70d5dae91f54686200786c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.431576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064514/publication.txt
observed 7f3ba44903a36a4fcb8c3439d989d768...
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.