OpenTechnical

OT-2026-000074858

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074858) never changes.

Identity and time

Publication numberOT-2026-000074858 · never reused
Internal UUID01a0ae93-ac2c-78be-8e86-9f5e94b5525d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074858
StatusPUBLIC

Content hashes

Canonical text6b82f64ce9b6afe2d36e6adfb30a2c16e812595a9f7c8455e9e36c357b38e9da
Markdown282645687ea924676c92725a7b7acc1e866eb9062b7d1f89c9612748889751f2
PDF
Publication pagea1e1e59f44912626866d2718b68a2d82913347f221d26db1beec589450392b24
Manifestc627c4046de18162ee2a20edd9de5e35fa91d2ed65f1285e9fb09c25bec05402

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
Signature2nz5U9m069SgNppKXPI2ElXFKDdJEp5ko83ltojftL6sGeQ3/fsX2jZlOEGtXetXXahfVld3W2hp1BxrrPCaDQ==
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

2026-09-17T10:18:34.391338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074858
observed a1e1e59f44912626866d2718b68a2d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.375963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074858/manifest.json
observed c627c4046de18162ee2a20edd9de5e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.360545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074858/publication.md
observed 282645687ea924676c92725a7b7acc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.344948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074858/publication.txt
observed 6b82f64ce9b6afe2d36e6adfb30a2c16...
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.