OpenTechnical

OT-2026-000046222

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000046222) never changes.

Identity and time

Publication numberOT-2026-000046222 · never reused
Internal UUID01a0ae7e-032c-7f0e-8fe8-eb203fdca2d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046222
StatusPUBLIC

Content hashes

Canonical texta7511ef51d8e196699b66cd3eb1e6fc136d310f2462f720467551fa2cfa7dd25
Markdown7c21853a6d7074080f9dc39f158ca9a8034f2e4b7ba4e54e894e2987b1f9aac8
PDF
Publication page3f603d7910c4880f8f5395859e35763db73b7cf6b511b726cd66a9957693a813
Manifestef02d8b1ce85099dc6303bff8efaf2d45fec5df32864c67ff5f9508b120abf04

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
SignaturezA7WTJvZD7TApPr8GkvfA5SJRLMfzywOPREttFlwmX330tkmmhm8BllLfCwVxaSfDyIpfJFZNSSmeo0TMFzMDg==
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

2026-09-17T11:09:14.653510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046222
observed 3f603d7910c4880f8f5395859e35763d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:14.634937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046222/manifest.json
observed ef02d8b1ce85099dc6303bff8efaf2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:14.616090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046222/publication.md
observed 7c21853a6d7074080f9dc39f158ca9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:14.597846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046222/publication.txt
observed a7511ef51d8e196699b66cd3eb1e6fc1...
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.