OpenTechnical

OT-2026-000017108

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000017108) never changes.

Identity and time

Publication numberOT-2026-000017108 · never reused
Internal UUID01a0ae6e-76c7-7149-a4dd-b98fa1b2fcef · 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-2026-000017108
StatusPUBLIC

Content hashes

Canonical text09c0cc43d81617315fbc9cf802a5fbdcb3c8df2a64a9879a32c9977729fbb87f
Markdown9975e23f93e818f05d251f29677b3494391beebf952c1293f1826b262da8ddb8
PDF
Publication page587b46b740bd45c88091dd19e580eb445ca48dd0c7c32c4f75f562a8ec33d53b
Manifestaa1adbb34ddeafe9209a8ccac571681102649ffc05838a86c138c49c9aa4048b

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
Signature0P0xtQ4jhOPf6GY+ZtRIpIKP7fzz9K9urcYnJZSV6q51Yl5lqfkEGq+V6I2oW6V2VdfNFfHrGsmJQl2q7bYgAA==
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

2026-09-17T12:02:09.377320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017108
observed 587b46b740bd45c88091dd19e580eb44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:09.360741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017108/manifest.json
observed aa1adbb34ddeafe9209a8ccac5716811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:09.344681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017108/publication.md
observed 9975e23f93e818f05d251f29677b3494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:09.327457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017108/publication.txt
observed 09c0cc43d81617315fbc9cf802a5fbdc...
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.