OpenTechnical

OT-2026-000074097

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074097) never changes.

Identity and time

Publication numberOT-2026-000074097 · never reused
Internal UUID01a0ae93-2b8f-71c4-8fc3-23b838f8ff74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074097
StatusPUBLIC

Content hashes

Canonical text84827c7ff3b91910de8d024c91da872ea5db29086c03b8d988b6cc474e7e0bbf
Markdown86e3317d990a6551ef5a941ffd879257e03b077c200fb4dd0c23cc178d053e4a
PDF
Publication pagea61e5468e87f896193061882012657ff2a6e5318f64ba8919cf92d265c741668
Manifest59be390fcfcf5a0d2a5021e68437cd7e8669be4cd9fc6c23e67ef407e75e12bd

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
SignatureZs3JSdml6htQixjgEbgxB1HF6CAue9hMszR1zsk/agenHDMpzzfNAbT2K/GgX83UAQSZKnVA3cPSvbdF67wWAg==
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

2026-09-17T10:21:00.355947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074097
observed a61e5468e87f896193061882012657ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.336479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074097/manifest.json
observed 59be390fcfcf5a0d2a5021e68437cd7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.316118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074097/publication.md
observed 86e3317d990a6551ef5a941ffd879257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:00.297252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074097/publication.txt
observed 84827c7ff3b91910de8d024c91da872e...
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.