OpenTechnical

OT-2026-000064556

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000064556) never changes.

Identity and time

Publication numberOT-2026-000064556 · never reused
Internal UUID01a0ae8d-a462-7ac1-92b9-85e4b16bc67a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064556
StatusPUBLIC

Content hashes

Canonical text2ecdc9b371786b5b013be267a481e67277c7f1880da1e5dd22960287ebd1d96a
Markdowna25c8e7c78f062462da1fb1ffab5920c7b86cd85cd752e3befc86f5eff9f604a
PDF
Publication page5ad5bb09a67865ccfe1b5868948080f04feca6ddf508a1812a9a446a6366b738
Manifestb30590d7373659f9cd80e26ddc5aa140cd9b26d9a71375f20d85423ab8bb95fe

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
SignatureqBbwvP09/L5Fz/r3NCDzOaqNcHIepY3WM5J7a1fWuY6N16xUwS8dj0JGBOoHeFjZVszSl/2x6ZJ6fCUjgW03AQ==
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

2026-09-17T10:36:46.604450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064556
observed 5ad5bb09a67865ccfe1b5868948080f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.585433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064556/manifest.json
observed b30590d7373659f9cd80e26ddc5aa140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.566744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064556/publication.md
observed a25c8e7c78f062462da1fb1ffab5920c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.548878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064556/publication.txt
observed 2ecdc9b371786b5b013be267a481e672...
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.