OpenTechnical

OT-2026-000028961

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000028961) never changes.

Identity and time

Publication numberOT-2026-000028961 · never reused
Internal UUID01a0ae73-2a9e-734f-98fe-c34d21f66aa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028961
StatusPUBLIC

Content hashes

Canonical text0179ab3f9c2d62b1d867387f2e35af5610f263c7732389d4084d6ef9eadd2220
Markdown12cc80b8ab2aafd017aef5684212e24ea7ef37b229ed05b1b3d7daf1dd5e726f
PDF
Publication page904ad764c8cca9370cd39087ca84d7edf75589bd76bb7cf2ad41add7dbc0d34a
Manifest62de6f829b364e97b259fafa2dd742e6778b17e01813de87c04a48c48de87479

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
SignatureXwGJS21edLtsgoZ5Q/fZM3WxPrYf4+5BYHbcEKW7ke2fu0cFty4oKrpoG1wipnkxp/sVfettuByBTyf6gdxzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:20:27.476346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028961
observed 904ad764c8cca9370cd39087ca84d7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:27.454507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028961/manifest.json
observed 62de6f829b364e97b259fafa2dd742e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:27.434212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028961/publication.md
observed 12cc80b8ab2aafd017aef5684212e24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:27.285880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028961/publication.txt
observed 0179ab3f9c2d62b1d867387f2e35af56...
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.