OpenTechnical

OT-2026-000013075

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000013075) never changes.

Identity and time

Publication numberOT-2026-000013075 · never reused
Internal UUID01a0ae6d-5565-71eb-9aec-fddeb65d9a3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013075
StatusPUBLIC

Content hashes

Canonical text064f41cead429faae4de54756130fa965ff33d694d001950dd1939ae1a4f587e
Markdownd5fe23397bc85638a99eb0e133847d9db9c49ab10a840c9fe0c28a252e5d03eb
PDF
Publication page60d3773d5f6e0fe1174b8b14d3da63c8620669527b4de803fab7181c47d3f8a5
Manifest6090cd8fa526963bcaa91b1f540d4744fb0375aba5adf8f4e803c5b188ddc5f7

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
SignaturesMmtoJFlEK3lk6erEr2jjzu9BlajopoYZKPex1zw6L+08nrepFyGRuwZPgKvqaWrC8BNWULUJiVpR9X8JeKIAg==
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

2026-09-17T12:10:55.078009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013075
observed 60d3773d5f6e0fe1174b8b14d3da63c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.060565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013075/manifest.json
observed 6090cd8fa526963bcaa91b1f540d4744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.042107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013075/publication.md
observed d5fe23397bc85638a99eb0e133847d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.024139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013075/publication.txt
observed 064f41cead429faae4de54756130fa96...
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.