OpenTechnical

OT-2026-000053300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000053300) never changes.

Identity and time

Publication numberOT-2026-000053300 · never reused
Internal UUID01a0ae85-0a15-74e8-b005-e36ec9f1b687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053300
StatusPUBLIC

Content hashes

Canonical text64edd5ea07f52402695e709b8f13a3bb3cb177a55757ebe3aedb832971f3c977
Markdownd219b0466969aa2dd34c2b8fc1bd82c6ddc1d4f37823f50d7bf8c82383575129
PDF
Publication page5450ecb039a9c3baf39b84801e94d172d6f0c3cf432e617ff646d041667b32e5
Manifest17ce847534e0df9900a4cb2cac96e7d810d072eb406398bda703e45f5ce016bb

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
SignatureR+2nQza1eNgoB9qRfkyOLdYN6JVGY+xV+pIx9Nuz4FcMjiF7wGlZtDZOUFBzSyC5gk17Erf1w0paOahf2wq5Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:59.353171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053300
observed 5450ecb039a9c3baf39b84801e94d172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.335499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053300/manifest.json
observed 17ce847534e0df9900a4cb2cac96e7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.317828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053300/publication.md
observed d219b0466969aa2dd34c2b8fc1bd82c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.299509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053300/publication.txt
observed 64edd5ea07f52402695e709b8f13a3bb...
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.