OpenTechnical

OT-2026-000033821

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000033821) never changes.

Identity and time

Publication numberOT-2026-000033821 · never reused
Internal UUID01a0ae75-a391-75c0-ba99-9dc9abc206ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033821
StatusPUBLIC

Content hashes

Canonical text86acd5196c36966946eca3419c09869234ef3ecd7382fa73bd46d270494de104
Markdown0de3465ea8aa06a1d8b0db98f6b163a7be9f13bf900a40669014710c85ac0a48
PDF
Publication pageb86c695438252179ad2ac2b6eb3421e74ed659e5bb6bf09e445d4e9b6aad5a53
Manifest09ce3f402b059bc65f8a642206c3b3a790d6495fb31db9220ff10d268d9d844e

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
SignatureMCNlwuFiq4Vo+6/4MyBVtvs3qXdiBFp9b5n9/Y3GSM7UovUXehU3j0XwTtiHRcs20NqP00BRpHYegqFjmYXEBQ==
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

2026-09-17T11:31:52.193568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033821
observed b86c695438252179ad2ac2b6eb3421e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.173294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033821/manifest.json
observed 09ce3f402b059bc65f8a642206c3b3a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.154939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033821/publication.md
observed 0de3465ea8aa06a1d8b0db98f6b163a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:52.137681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033821/publication.txt
observed 86acd5196c36966946eca3419c098692...
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.