OpenTechnical

OT-2026-000023998

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained blow-off 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-2026-000023998) never changes.

Identity and time

Publication numberOT-2026-000023998 · never reused
Internal UUID01a0ae70-aed7-7a27-a3f9-0ee0819561db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023998
StatusPUBLIC

Content hashes

Canonical text8699b89b75d06e308dbdf5cf3cb43c10a4707a1769cca2fe7a97a887fcbc87b7
Markdownf72836da57675e633c68e308de5296fa65696bfacb5d14650f06f7aa54f726a1
PDF
Publication page0ab93d752eca23effaf4822d2ec5d346f45ff434f7966528f5240d66b12d891b
Manifest5e989e7144c720ad821262f9efa66b2aa0caeff722b79cd7b3f4dc3328b7567f

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
Signature1qgcgD83lQgcUxznnbEjOXTDgQBFqgipklvEx81JRPb4QjxbZ6vbrjzPhFzsC9VTKSjR6lQ0HUHvPhPNpBO6Aw==
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

2026-09-17T11:50:46.377140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023998
observed 0ab93d752eca23effaf4822d2ec5d346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.359579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023998/manifest.json
observed 5e989e7144c720ad821262f9efa66b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.338743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023998/publication.md
observed f72836da57675e633c68e308de5296fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.318551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023998/publication.txt
observed 8699b89b75d06e308dbdf5cf3cb43c10...
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.