OpenTechnical

OT-2026-000069873

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000069873) never changes.

Identity and time

Publication numberOT-2026-000069873 · never reused
Internal UUID01a0ae91-1860-7e5b-b371-aa1beca2c6eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069873
StatusPUBLIC

Content hashes

Canonical textb96ab9f798b361138d23fbbfd02c57d5d82ce8f17b68380c015033124b89c8ed
Markdowne95f8f5e63ec5136c021a9c9d235260d59865935902967ac65fce3f04cebb0f0
PDF
Publication page9c557889620bbd4685cf551352e534c62263f19e05362a6d6a9959360d25790e
Manifest6c37de910e8b7e52a9edc9c92ff151693992246fb7d56bfab53339f02505e01a

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
SignatureiUZzDSZAO4kCj9Tfs90IWf/ItA+7PqywmhIeeEEcZDe9okaEC4IDfrPytn73DLsrIF2SCg3hkrPmgde9c2n4AA==
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

2026-09-17T10:26:42.223533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069873
observed 9c557889620bbd4685cf551352e534c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.206665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069873/manifest.json
observed 6c37de910e8b7e52a9edc9c92ff15169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.189724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069873/publication.md
observed e95f8f5e63ec5136c021a9c9d235260d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.173921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069873/publication.txt
observed b96ab9f798b361138d23fbbfd02c57d5...
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.