OpenTechnical

OT-2026-000079203

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000079203) never changes.

Identity and time

Publication numberOT-2026-000079203 · never reused
Internal UUID01a0ae96-0b8f-72b5-97ba-8559b4c7cd13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079203
StatusPUBLIC

Content hashes

Canonical text0c4348a407d3b243aad76a35a2227e0b700342eacfee68e324dad2adb8720829
Markdown4b992348c38f9f104fe540ba03a12fad351b87b3a60570bc93d89f498a2b4444
PDF
Publication pagec8b96c860c076b78c92437423939352003a1828aabf0b5634f04f03c75d57332
Manifest863f1c2804cf9351cf4bb139d70ce8c6d9c63e944a4ad4f6aca1a82e256d790e

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
SignaturetzkS2p6ImtRKJW6o82/hmLWBBdkeLzqZic/BQVi8Rqtn6CsHz9782ERJ8Y9WYko4NEZt0b8yBhFgaX40ooxhBg==
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

2026-09-17T10:04:47.767071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079203
observed c8b96c860c076b78c924374239393520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.750060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079203/manifest.json
observed 863f1c2804cf9351cf4bb139d70ce8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.733725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079203/publication.md
observed 4b992348c38f9f104fe540ba03a12fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.717365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079203/publication.txt
observed 0c4348a407d3b243aad76a35a2227e0b...
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.