OpenTechnical

OT-2026-000007657

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000007657) never changes.

Identity and time

Publication numberOT-2026-000007657 · never reused
Internal UUID01a0ae62-76bd-7b1f-8895-a6b190b34a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007657
StatusPUBLIC

Content hashes

Canonical text6a9775e9777398d1981405866e648c7606e635970c76ec24ed3a0ee3cbdd538b
Markdownbe5ae6451f790b00bb30b06c9b94b528baf7cffe0b9b0c1f6a32c2178d5816b5
PDF
Publication page5d0303c1cd8a05c7d52301dbef8a30e52de1f7b425f14b0246210eb1762b5b0d
Manifest70b7da50ae6d1473e5cae505745c9f6688aa66e5f7f200f59f765a69d817627f

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
Signature4IC/l4UtkIOHiFLrj0ttiTz7Fbuw8uK5ldIw0TDy+0/+9XKXSEukx6QUOKj/qkEDnfYnaZ3SJdZV7YZnLNQRAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:16.717410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007657
observed 5d0303c1cd8a05c7d52301dbef8a30e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.700204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007657/manifest.json
observed 70b7da50ae6d1473e5cae505745c9f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.679929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007657/publication.md
observed be5ae6451f790b00bb30b06c9b94b528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.660716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007657/publication.txt
observed 6a9775e9777398d1981405866e648c76...
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.