OpenTechnical

OT-2026-000018442

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000018442) never changes.

Identity and time

Publication numberOT-2026-000018442 · never reused
Internal UUID01a0ae6e-b48a-7f07-aa97-310eeb618135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018442
StatusPUBLIC

Content hashes

Canonical texte8d3444e6b29884f7f68397a15306e43c42ec63125034e6730cb9f4eb460c2b1
Markdown7680f0fe57203f174571ca223379a25746e48c5decef3629fcc0b8583483d8bf
PDF
Publication page0e050918f4d283ebae41838b222596e8656f4e6c45fb3331b81e20cf3c210afb
Manifest2c1aebd7869b41aa44a049ee62bfc9607e206b2a86c60be22d02a5394ed83bfc

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
SignatureuyR6j0/9VbWSsatMDYISyqkZlgl3+uHDYm68qPECg1a9QLpR+o3iontRhNiHSthBuuitkD0asycJB7TQ268VDg==
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

2026-09-17T12:01:11.758409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018442
observed 0e050918f4d283ebae41838b222596e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.741932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018442/manifest.json
observed 2c1aebd7869b41aa44a049ee62bfc960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.724350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018442/publication.md
observed 7680f0fe57203f174571ca223379a257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.705733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018442/publication.txt
observed e8d3444e6b29884f7f68397a15306e43...
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.