OpenTechnical

OT-2026-000007618

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000007618) never changes.

Identity and time

Publication numberOT-2026-000007618 · never reused
Internal UUID01a0ae62-76bc-7652-9a7d-b0a09eb7fc2c · 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-2026-000007618
StatusPUBLIC

Content hashes

Canonical textfcc8133944d37648aa2f263eab90dfb71426403d25e9f1dffd7ddd33cde7e8d7
Markdown9b6d5415874dcefb28478c70d7b2d38841e03a52bf4f1344c479c99c4ceb8667
PDF
Publication page45029a059577a46e9074c9380892b9024f906127fb27f17ec3a57d80b6818919
Manifest85968d33eb1d92205ae4581b2a81600ca1eee148b34dcaacad871e65d215d188

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
SignatureognoWHJFNFpu4EtsaQ346FcQyItPk8FSyPBD2GpwAvXysXNRcGzT7LPWiqFCANhYaHNXiJYMeeTAWBoOhI5+Cg==
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

2026-09-17T08:10:13.981679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007618
observed 45029a059577a46e9074c9380892b902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.963446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007618/manifest.json
observed 85968d33eb1d92205ae4581b2a81600c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.945229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007618/publication.md
observed 9b6d5415874dcefb28478c70d7b2d388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.927110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007618/publication.txt
observed fcc8133944d37648aa2f263eab90dfb7...
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.