OpenTechnical

OT-2026-000053453

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented before 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-2026-000053453) never changes.

Identity and time

Publication numberOT-2026-000053453 · never reused
Internal UUID01a0ae85-0a90-7ca7-9bbb-799dd86f121a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053453
StatusPUBLIC

Content hashes

Canonical textfe2bf2115f3f08f513ce3a5d371fe225890aade80ccddb0a699c8a9e9c119881
Markdown408fa4f1e9bd87434ee125db74f5f678f2255415467b6bab505afcc773e17969
PDF
Publication page3c33d161bb2aefd7972772042465309f4725b286bb98654163df42b7e78ce1c1
Manifest260e5376e3f6d90bc57fb44db6824b9986f5ce56b3bc49443008d3310506caaa

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
SignatureKd/wvP5bbknouCbRKpQfXLkdj6nrCXro/hFVB/2HKzbYsoQgGEEoLFPV+XEHA7/BlIanYeKcEy8OkLIxJuHGAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:11.920423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053453
observed 3c33d161bb2aefd7972772042465309f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.899914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053453/manifest.json
observed 260e5376e3f6d90bc57fb44db6824b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.880396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053453/publication.md
observed 408fa4f1e9bd87434ee125db74f5f678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.861979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053453/publication.txt
observed fe2bf2115f3f08f513ce3a5d371fe225...
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.