OpenTechnical

OT-2026-000087536

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000087536) never changes.

Identity and time

Publication numberOT-2026-000087536 · never reused
Internal UUID01a0ae9a-cd52-7bb2-9e5d-398d26bb839f · 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-2026-000087536
StatusPUBLIC

Content hashes

Canonical textb8580c6e99d4e217aab85ae0a1b768e3d4667d9611b15f42d1fd71a19739f651
Markdown78c9e885f4dea8a849d0c5488a23041f4b66da860f774697e7b8631c408771ba
PDF
Publication pagebe27216169b8e63164318f44759be86b77efdeb545a43ce3abfe47a8edc98e9d
Manifest0c91738ecde0921865d939ee30a3b45ad8c0a48aec1bd11c5daf9b362c7fef54

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
Signaturee9QWKmlewKA3ro9jy2aENN+a8qURak2vZ4gV4WRJnb5tPZ6aKYX7duW1rCBBkynkk61PkNC5m31j9X4O43CPDw==
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

2026-09-17T09:50:52.560579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087536
observed be27216169b8e63164318f44759be86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.541995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087536/manifest.json
observed 0c91738ecde0921865d939ee30a3b45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.525334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087536/publication.md
observed 78c9e885f4dea8a849d0c5488a23041f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.502678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087536/publication.txt
observed b8580c6e99d4e217aab85ae0a1b768e3...
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.