OpenTechnical

OT-2026-000087544

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000087544) never changes.

Identity and time

Publication numberOT-2026-000087544 · never reused
Internal UUID01a0ae9a-cd52-7858-8aad-a515a46ccf23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087544
StatusPUBLIC

Content hashes

Canonical textef06440f2a1618401513510030692356a0ff0c823172291f5b9ad419aa612024
Markdown9faf221b928de0fec92cb9b1d5d6158163974b7d95657d1c11c4c8ca00482fd4
PDF
Publication page0f0e1138a7a723a5dcca5850059e63f5d9a149253b91aa46a5ea263a7e363a30
Manifestce26ab15f9cd73f82047c92d4a7e88ee1329b298ffca2db1ad7593e98e5f34ec

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
Signatures3nPcMsQptKJdJl4uFJ5jcOrudmgm0nUl+1OHVmOTudwx1r/usDANB52KMh2P83F5VvpZZroCD0qRnngr9h2Cg==
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

2026-09-17T09:50:53.120855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087544
observed 0f0e1138a7a723a5dcca5850059e63f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.103630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087544/manifest.json
observed ce26ab15f9cd73f82047c92d4a7e88ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.087221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087544/publication.md
observed 9faf221b928de0fec92cb9b1d5d61581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.070161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087544/publication.txt
observed ef06440f2a1618401513510030692356...
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.