OpenTechnical

OT-2026-000017168

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000017168) never changes.

Identity and time

Publication numberOT-2026-000017168 · never reused
Internal UUID01a0ae6e-76c7-79d0-8602-5d05990c96af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017168
StatusPUBLIC

Content hashes

Canonical text5ff6c534aa1dcf155d07b5f3148c51ea746db1a4a73f73127575e7125828de2e
Markdown460f0432ba2ac6c84bdf75ea6dcb5cd6eb12220af09a549fe0626f8d0db74b88
PDF
Publication pagee79d73a97818541e501bed374f3669494102ac5627ab961ae30a9fd616df9600
Manifest8356688304dbd4b37dac6d4062c7e6307c64a393e0c61ccf4f06dd277612f44e

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
SignatureXtrrMeUVgmAomBjjRUOk/EEd2d3wjmootAPHC0BOgQrIrG7HXw+fYW3mYDOEDaAu0U1xQB9PE/iDZ0RN9Fj7Dw==
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

2026-09-17T12:02:14.074629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017168
observed e79d73a97818541e501bed374f366949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.057172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017168/manifest.json
observed 8356688304dbd4b37dac6d4062c7e630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.040557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017168/publication.md
observed 460f0432ba2ac6c84bdf75ea6dcb5cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.022689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017168/publication.txt
observed 5ff6c534aa1dcf155d07b5f3148c51ea...
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.