OpenTechnical

OT-2026-000053255

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000053255) never changes.

Identity and time

Publication numberOT-2026-000053255 · never reused
Internal UUID01a0ae85-0a14-753d-9f8f-8dd57eac1607 · 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-2026-000053255
StatusPUBLIC

Content hashes

Canonical textf7f9b3d61745df8fb1e47bdda898b2dca9a97dc2b81e33997785bf64d07b4411
Markdownc43bc2a6244955b7c57c0c1297cd04880fa77c803f38991b1f96122dbfc7b77b
PDF
Publication pageddf08e161e7723b6800bc58b310be6af2d3ec4466734ae52076be2f0aa778f3d
Manifest06089a755be62d9673411e75a18a1e2392b353fe7a6385729238e413748fffe5

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
SignatureOC4MVg9KbFytcsHL0pYit1tDtXJbDOFRwPCsWVHqrzWSIbNVsMg6lf2c9NBzg88dx/6kLwk0XJZkLzXHo97KDg==
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

2026-09-17T08:40:58.025371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053255
observed ddf08e161e7723b6800bc58b310be6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.006937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053255/manifest.json
observed 06089a755be62d9673411e75a18a1e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:57.988757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053255/publication.md
observed c43bc2a6244955b7c57c0c1297cd0488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:57.970848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053255/publication.txt
observed f7f9b3d61745df8fb1e47bdda898b2dc...
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.