OpenTechnical

OT-2026-000005372

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, pressure verified

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-2026-000005372) never changes.

Identity and time

Publication numberOT-2026-000005372 · never reused
Internal UUID01a0a936-f5ba-7f53-8418-af1bcccc3811 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:46.493320Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005372
StatusPUBLIC

Content hashes

Canonical text368d31a3cb4164b6f21db7bb310ba346575e6251cc0c4f6be3ece93d4a4463c6
Markdownb23921dac317b88271e9e8b833f4df3537aa9fa97a620fd7eae87ea3a9ac4b1d
PDF
Publication page799668a499dbf7581e79c4c9629ac6efb03499b8a4912061e8dfb2ce3d197fce
Manifest498b4c86b1630bf75631fdd75c5d55b6e1625538d9dd3c7bd24f19a308577474

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
SignatureMw1xdFLnWKwPa6sQK6VWeJvGBUVod1FNxJwd3SmSmzlwbYk2mCq5V1FZnc+dpgPRvvLY/A5IVLleOXJCFlbLAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:16.981727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005372
observed 799668a499dbf7581e79c4c9629ac6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.968103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005372/manifest.json
observed 498b4c86b1630bf75631fdd75c5d55b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.952797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005372/publication.md
observed b23921dac317b88271e9e8b833f4df35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.940472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005372/publication.txt
observed 368d31a3cb4164b6f21db7bb310ba346...
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.