OpenTechnical

OT-2026-000070928

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000070928) never changes.

Identity and time

Publication numberOT-2026-000070928 · never reused
Internal UUID01a0ae91-8c2d-7154-809e-8cfcf409bf50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070928
StatusPUBLIC

Content hashes

Canonical text927556d635d336c4a7e3ac69d0f385d0e8315bafcfe610fa14dc5baa0bb8b25d
Markdownefdf7367e87f7ce22cd4836c5ab2f742a3c9dbd90e7947c34661690e84eaf99d
PDF
Publication pagea5e79c6f5a8ecfa774a5163d69ba2433a594f60626d36d59262abf6bfcf9b953
Manifest5fed47a3aaab43656dbbbeeee56b043adb41a88e62407c2a2176945d26720140

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
SignatureQGc3MqBDWrKHg+q2EgeMSnnW+6+Ynnbb2HjSUw5X9YwW9h/N157r+7kBLUX9yq75fFSPvxAoQKmHQ69Ho97IBA==
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

2026-09-17T10:25:45.740972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070928
observed a5e79c6f5a8ecfa774a5163d69ba2433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.721651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070928/manifest.json
observed 5fed47a3aaab43656dbbbeeee56b043a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.703443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070928/publication.md
observed efdf7367e87f7ce22cd4836c5ab2f742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.686413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070928/publication.txt
observed 927556d635d336c4a7e3ac69d0f385d0...
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.