OpenTechnical

OT-2026-000070087

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000070087) never changes.

Identity and time

Publication numberOT-2026-000070087 · never reused
Internal UUID01a0ae91-1861-7337-b3b7-a439f8370503 · 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-2026-000070087
StatusPUBLIC

Content hashes

Canonical text357eab0da13515b741053f5aa8c2f6ff91af540f7141ccc7e9f5ce9ad7dbde85
Markdown71ed9aaf6c33fa0ad7c036b27f4c2a514dbd7df75749cdb6f75fbe44a051ca3b
PDF
Publication pagea513c3cfa29c6f22e78e2b6dd47ca91d985ab905e76f2cfa8e2ee1c06b0f2ea8
Manifest92ba0883fc69704a210aa198ce2c185c4b795db9b453828e6fd91fc17709fbda

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
SignatureCcpULhVlSinZ+gj4OVLO8Pxzry1wIm8QKHWHoCoQ1Wdc16i+X6AkHVVOnxnJ28QE9/7vP66E2J/PY6Mn9djyDg==
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

2026-09-17T10:27:03.264559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070087
observed a513c3cfa29c6f22e78e2b6dd47ca91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.247086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070087/manifest.json
observed 92ba0883fc69704a210aa198ce2c185c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.230520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070087/publication.md
observed 71ed9aaf6c33fa0ad7c036b27f4c2a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.213671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070087/publication.txt
observed 357eab0da13515b741053f5aa8c2f6ff...
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.