OpenTechnical

OT-2026-000052691

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000052691) never changes.

Identity and time

Publication numberOT-2026-000052691 · never reused
Internal UUID01a0ae84-573c-7005-8a1b-2037cf11338a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052691
StatusPUBLIC

Content hashes

Canonical text7e16d4ae2bd4868c23d8aa23d6d662842a3f28a762727e14c0c8bd12f85d8e61
Markdown3336b7995473d33efb2f161450a7a8fe3598d37352b358edf25035281d8d914c
PDF
Publication page037dac8fde54c6712b38e217c2bf8973c4093b64181eb19fc6094ba4b3dba81d
Manifestca6ca29959947a0825b9fad52ba3c6e18cf6bc2a44fcb2d55750ceaab4637eaf

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
SignaturekCNBrNVaH6HYgyfOR8oQPt9p8294+ZyhWDor2hIuehV27r7wQ+5WRt0Tlczazz9ir5Gsm+4k4NjMBTNcWLXvBA==
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

2026-09-17T10:57:23.360877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052691
observed 037dac8fde54c6712b38e217c2bf8973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:23.343518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052691/manifest.json
observed ca6ca29959947a0825b9fad52ba3c6e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:23.326825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052691/publication.md
observed 3336b7995473d33efb2f161450a7a8fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:23.309716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052691/publication.txt
observed 7e16d4ae2bd4868c23d8aa23d6d66284...
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.