OpenTechnical

OT-2026-000068724

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented after set-down

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-2026-000068724) never changes.

Identity and time

Publication numberOT-2026-000068724 · never reused
Internal UUID01a0ae90-6dca-7214-b207-3ef47ccb1400 · 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-2026-000068724
StatusPUBLIC

Content hashes

Canonical text93b26c10960f195d3839a2050282c556025f396a375261552026ce6d37b281b6
Markdown76f24e3ecb81b98a8872eb1e6b463304c49ccb3272a5d02f3aa48bdd3ae6cb11
PDF
Publication page67716af73fbb20076632dcdbefda86a95d45f36cecf827194de4c6cb601d3180
Manifest6409be4c17fa6d380f119d8a4a83d3701a5b75cc1e41d3ebb46f74f0bf98bbae

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
SignatureM3lgheX01TqJ3mRsIBMChvd8xpl5eGeTnJYh6cXlCihqX3UaTOSNvpFaZHeV7mevwGsX4AoQyWmAtyCj4sBCDA==
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

2026-09-17T10:28:29.608265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068724
observed 67716af73fbb20076632dcdbefda86a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.553182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068724/manifest.json
observed 6409be4c17fa6d380f119d8a4a83d370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.535502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068724/publication.md
observed 76f24e3ecb81b98a8872eb1e6b463304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.392249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068724/publication.txt
observed 93b26c10960f195d3839a2050282c556...
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.