OpenTechnical

OT-2026-000007719

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000007719) never changes.

Identity and time

Publication numberOT-2026-000007719 · never reused
Internal UUID01a0ae62-843e-7db9-bca2-3ebe0916184a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007719
StatusPUBLIC

Content hashes

Canonical text80b6a4c42b0c39bb29d72863f5f1d7caae6cc6391cb54b81141de435a6514ce5
Markdown73d04ff1525ad84b4bcd3615119fba7118d4d53fdac43a28e7e90fa23131ace3
PDF
Publication page288f0f44caea86ad695fdc3a12c69bf49c62bc53847bc670ac1161226fc4bce6
Manifest007a535cb0313e43564bee7e77b4db5c541f3a5e3612f06d40fa8ad58412617d

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
Signaturesn0ZdYE/30w9hbEZu3jvqJq4WIFonjVL70NszzafgCbS0MZm/Qi1CMlCuUtj8233+n7VPDBkzjaYcl6EPUzOAQ==
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

2026-09-17T08:10:06.437976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007719
observed 288f0f44caea86ad695fdc3a12c69bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.415235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007719/manifest.json
observed 007a535cb0313e43564bee7e77b4db5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.397950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007719/publication.md
observed 73d04ff1525ad84b4bcd3615119fba71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:06.378428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007719/publication.txt
observed 80b6a4c42b0c39bb29d72863f5f1d7ca...
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.