OpenTechnical

OT-2026-000104540

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, vented after 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-2026-000104540) never changes.

Identity and time

Publication numberOT-2026-000104540 · never reused
Internal UUID01a0aea7-239f-791b-8ea2-af2ddf49573b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104540
StatusPUBLIC

Content hashes

Canonical textdeffd258e6a5ec83115cba4b64e7bd1fd591134e6e1c0c0aa2a4bd0bd82e3658
Markdownd2b18e3e4ed5bea3c470fd0edf5aac610de83e55a5df740aec9ac7d94fca5328
PDF
Publication page4763fb7b9b98b8ee7c88e0b0106fb3ac04df1f6530bce06a2ead93a39225199d
Manifest9a60c6a5ac097dd7fa6b211338944e75dce7aa653cc7d1f42670105fd1c55e70

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
Signatureh2BlKjbMiJ81r7q+qaQAa9eLWMazTegFiam59KMxgsAPdiCdgX9xw++xYh6VysAS08kfHgOCRLwXpQuPlUX8AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:03.540171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104540
observed 4763fb7b9b98b8ee7c88e0b0106fb3ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.523742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104540/manifest.json
observed 9a60c6a5ac097dd7fa6b211338944e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.505791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104540/publication.md
observed d2b18e3e4ed5bea3c470fd0edf5aac61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.488818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104540/publication.txt
observed deffd258e6a5ec83115cba4b64e7bd1f...
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.