OpenTechnical

OT-2026-000007788

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000007788) never changes.

Identity and time

Publication numberOT-2026-000007788 · never reused
Internal UUID01a0ae62-843f-7d69-8be8-573479e8d864 · 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-2026-000007788
StatusPUBLIC

Content hashes

Canonical text1c990c7e9531f6ac7afd4e9624ee43e7d4d25bb09c4efebd9e006793587d51e2
Markdowne16c2dc2166fb7ccb1cce40e9db53fba71689f4b90667ade6fb1874b423d5989
PDF
Publication pagee6a7e53e1f4bb5714cd6ca727b3059278218d03594ad849ea95310802b6a92fb
Manifeste9e8a201d5f4e23898f7c1670dee2fb8158adb139f08b0b7c970813436d83cbf

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
Signature0Id5SUp4r85gQt2BLZAP6xwvxcbHXaEJMLxelC0Ev4saNuWs2t84Qx6djpX5fxrl5TWZj5iE6L/OjMDCcRSTDw==
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

2026-09-17T08:10:11.665317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007788
observed e6a7e53e1f4bb5714cd6ca727b305927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:11.647382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007788/manifest.json
observed e9e8a201d5f4e23898f7c1670dee2fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:11.622296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007788/publication.md
observed e16c2dc2166fb7ccb1cce40e9db53fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:11.602564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007788/publication.txt
observed 1c990c7e9531f6ac7afd4e9624ee43e7...
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.