OpenTechnical

OT-2026-000046418

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000046418) never changes.

Identity and time

Publication numberOT-2026-000046418 · never reused
Internal UUID01a0ae7e-57dc-76fe-acca-31418fb45bdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046418
StatusPUBLIC

Content hashes

Canonical text347f7f424521e2e76aafa7fb29ab5c970d682762e037f668547ef8ff17f4fc3f
Markdown829d6a6b104d096fa76ef03c1841f70a3c8af2629cb5d0bed95f56d2c3fbde37
PDF
Publication page076ca3f8a77f35c5f1061a98855d2a972765828876faa04ff51af186b65dd4b7
Manifest1a77901b6c2505dd19c2f14db0ada52e6f9c999686778fe3dc25dce519827510

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
Signature3Dt1f8iqHCmlq2ZVl8/QWO5ujTsu1rVFegUGm8CW84dC5Mz67om7jUkyjdNg2h58rbpn2RA3Io8U9Zd2KvtlDw==
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

2026-09-17T11:08:25.812109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046418
observed 076ca3f8a77f35c5f1061a98855d2a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.791539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046418/manifest.json
observed 1a77901b6c2505dd19c2f14db0ada52e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.773362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046418/publication.md
observed 829d6a6b104d096fa76ef03c1841f70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.755065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046418/publication.txt
observed 347f7f424521e2e76aafa7fb29ab5c97...
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.