OpenTechnical

OT-2026-000079851

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, sustained 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-2026-000079851) never changes.

Identity and time

Publication numberOT-2026-000079851 · never reused
Internal UUID01a0ae96-4376-7bdf-80b0-6f27bef68eb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079851
StatusPUBLIC

Content hashes

Canonical text60d1ff07240b56cb0ac903ec543363f3b5d761c079700392c02a7dfa82e0e4b3
Markdown8e566b24b2f7147dbbd25dcb3deda4e644adfe09a6042b8e0771981926bfd645
PDF
Publication page884c9746482f73d4fd81151cc5dbd2c9f2fb046848ccd264a1b4d27dfd7e455a
Manifestf7d004b10189d5bee68c3b317ec5d28056531e8f04d3f06e5c161d71b857b3aa

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
Signature2hLp+/iTFGCfG1V4PLDT598lyNWQCXHbXWquzaOLmqF/y3G3tEjuZfYZHtvybGVNNR/mUlLzQTigt6kA0nvSAw==
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

2026-09-17T10:03:44.365583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079851
observed 884c9746482f73d4fd81151cc5dbd2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.346911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079851/manifest.json
observed f7d004b10189d5bee68c3b317ec5d280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.328051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079851/publication.md
observed 8e566b24b2f7147dbbd25dcb3deda4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.310178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079851/publication.txt
observed 60d1ff07240b56cb0ac903ec543363f3...
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.