OpenTechnical

OT-2026-000006998

Publication integrity record

Vacuum cup gripper, per zone isolation, two stage ejector, 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-2026-000006998) never changes.

Identity and time

Publication numberOT-2026-000006998 · never reused
Internal UUID01a0a96f-054d-7a01-a9b4-f2c7702bdf99 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:00.496670Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006998
StatusPUBLIC

Content hashes

Canonical textd04334ce5d82cf0d77cc4799b97473f11f7a3869b16e1bb4e93848dcd2a2e369
Markdown838758cef53f54c4409dad96cd8e93c41aaf6e28e5875046bcc2745c4c45e44d
PDF
Publication page12efe77b45b45b9b796b71ab453438867162e7cbd836e78fcdb99175ab5a6dce
Manifest51b723ac9e437248fb3198c2891d9725b041bba56465db734ab9953c24ca3206

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
SignatureP7wV/2eLR4BBJIDF2Skfke99On5v+APM4HhujyXOk7i4mH+nSw1FGwDdn/cvh8pX+gcG18yjCzbsEkNhE91CCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:13.442519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006998
observed 12efe77b45b45b9b796b71ab45343886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.428020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006998/manifest.json
observed 51b723ac9e437248fb3198c2891d9725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.411705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006998/publication.md
observed 838758cef53f54c4409dad96cd8e93c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:13.398439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006998/publication.txt
observed d04334ce5d82cf0d77cc4799b97473f1...
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.