OpenTechnical

OT-2026-000067247

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000067247) never changes.

Identity and time

Publication numberOT-2026-000067247 · never reused
Internal UUID01a0ae8f-6bd6-73a8-ab6f-c0c408e396a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067247
StatusPUBLIC

Content hashes

Canonical text48332ba1617f13d89252d85fb70378ef67d9f6ccbf5a975c95698cbf72e8707a
Markdown9a6a53183518340d200974eaf45b17431d5873fe06237154ea21d5f5e9802f6a
PDF
Publication pageb8648f4b6857da43e0710b795916368009409301a8f926604c7c3c3ca5724aeb
Manifest5bbf140a1426ca95f8033a09e0df6c0d483ad415180e12e5760df6f654eb20d2

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
SignatureScyALyOwyHhCul9rbHhc4ZRFmgZTdFQQjubNXzO+Tc9FyWCoXwC3OsY4QAlhjqYJtrUqWiCtDXydAww6hQiJBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:55.278285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067247
observed b8648f4b6857da43e0710b7959163680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.259627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067247/manifest.json
observed 5bbf140a1426ca95f8033a09e0df6c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.207573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067247/publication.md
observed 9a6a53183518340d200974eaf45b1743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.158240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067247/publication.txt
observed 48332ba1617f13d89252d85fb70378ef...
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.