OpenTechnical

OT-2026-000054022

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000054022) never changes.

Identity and time

Publication numberOT-2026-000054022 · never reused
Internal UUID01a0ae85-b3a7-740e-aa5d-96cd684cf762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054022
StatusPUBLIC

Content hashes

Canonical text8ca59c941607a1878afd0b987c6bab60c632eee934546d5a21382381518f26af
Markdown3383e375507638e87a5422d2c64e2c47dba051259fbaea3f71e1b0195e6296d4
PDF
Publication page1e6acad33d3e7d6b52eaaf1e024d8c4d9e95429c4ae269735ecff6f22c89e75b
Manifest7fadd63923ae7cb0fd65f24e331d94142faae6cd393abbc5db53bc4bef482a5b

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
SignatureWHMVIixm0nRHdFv8um3QYwUSXPBHQLviFgYfCUhKFVWERKyDfAzTkbRRwTQHzlelaaGRYePFQMpn1WjL2EUnAg==
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

2026-09-17T10:54:22.933393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054022
observed 1e6acad33d3e7d6b52eaaf1e024d8c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.909196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054022/manifest.json
observed 7fadd63923ae7cb0fd65f24e331d9414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.875416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054022/publication.md
observed 3383e375507638e87a5422d2c64e2c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.844289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054022/publication.txt
observed 8ca59c941607a1878afd0b987c6bab60...
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.