OpenTechnical

OT-2026-000052692

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000052692) never changes.

Identity and time

Publication numberOT-2026-000052692 · never reused
Internal UUID01a0ae84-8db9-747c-ba39-fa0a7a20fc0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:37.758278Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052692
StatusPUBLIC

Content hashes

Canonical text6afa45f7ad8bdf2518f15622fd1acbaf805c50cc947d2b7f86682679e82b76c3
Markdownbbee31d7d77c2ab390898089043170b5e19e803f1d622bfab138b57ab8000a6d
PDF
Publication page611bfefa94be7c8e49a79cc5794c3b8c87ee738c6063835f1a02c5223c30d7bd
Manifest8bf2cdb8e4c794dd89904fdf483f201d9318235a77cba7e5c6a96036770d6308

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
SignaturevXUId/M5CbYrjq7vyzuf3L8DMKy7P3ve4qlGC7jvVfRTBnNAVIzyq3hnUo3c/3oEOMBB0cbPZHKaHzv9Ja5qDg==
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

2026-09-17T10:57:01.317242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052692
observed 611bfefa94be7c8e49a79cc5794c3b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.297603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052692/manifest.json
observed 8bf2cdb8e4c794dd89904fdf483f201d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.277911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052692/publication.md
observed bbee31d7d77c2ab390898089043170b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.239033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052692/publication.txt
observed 6afa45f7ad8bdf2518f15622fd1acbaf...
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.