OpenTechnical

OT-2026-000069112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000069112) never changes.

Identity and time

Publication numberOT-2026-000069112 · never reused
Internal UUID01a0ae90-6dce-7a1a-8cf4-0414d4cd94cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069112
StatusPUBLIC

Content hashes

Canonical text22d5dfa326d9f035c7f3ef1febc7c053177a0b1cc6a92c55eab5c8c38cdae071
Markdown120eaf41c90b8a68aacf67e2f4af514d8e354109767eb30795789711264286ff
PDF
Publication pagef854b49b23da66aa4e4d8789b464abf288edbac9928281bfde4b622c1b793adc
Manifest9a4c0b1595a607b50f64ac371e9eb6de00abc0b3b8fefec2c340c2911a2fc4a3

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
Signature8AfKJ10V3IxppbGdH/ufcCiEmQiGkcw3zpoId4Qx7UBP4b2IJPW+vyyByEslLkvU1rU/uPOH5/YqvTn3d7gxAw==
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

2026-09-17T10:28:59.385120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069112
observed f854b49b23da66aa4e4d8789b464abf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.367424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069112/manifest.json
observed 9a4c0b1595a607b50f64ac371e9eb6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.349266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069112/publication.md
observed 120eaf41c90b8a68aacf67e2f4af514d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.331916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069112/publication.txt
observed 22d5dfa326d9f035c7f3ef1febc7c053...
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.