OpenTechnical

OT-2026-000051025

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000051025) never changes.

Identity and time

Publication numberOT-2026-000051025 · never reused
Internal UUID01a0ae82-c7b4-726a-b01f-17fcf5e459de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051025
StatusPUBLIC

Content hashes

Canonical text1c4c61828fd255152a06a69622ccab308cfeabdb62e5d991bd5a2e164be4504e
Markdown231ddc81f7ccf9441f545278a344219ecca6c7dde0bedf736f7ea97bdacdc85e
PDF
Publication pagef79b219f05fd1ac3488f21c7b808267aad47ca659c154c097ffa666254d5eb33
Manifestaccbe846c62bd58be8cd55cacce9b80ca325a274926dbc04911db396ed2d52c7

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
SignatureqvUoUQkximeTQ7i81WCan7n/ND1nnX5nccmMCoa1T4vHBWJgpUGtCjvYaQRT0NJoMzLhjDUTiq+ZEOddS1duBw==
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

2026-09-17T11:00:55.893815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051025
observed f79b219f05fd1ac3488f21c7b808267a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.875881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051025/manifest.json
observed accbe846c62bd58be8cd55cacce9b80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.857441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051025/publication.md
observed 231ddc81f7ccf9441f545278a344219e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.839346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051025/publication.txt
observed 1c4c61828fd255152a06a69622ccab30...
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.