OpenTechnical

OT-2026-000058546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000058546) never changes.

Identity and time

Publication numberOT-2026-000058546 · never reused
Internal UUID01a0ae88-f39b-7488-b9d6-c123df9f9862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058546
StatusPUBLIC

Content hashes

Canonical text3c03812d513a3e274ad8c575f1245b5a6d6c7e0a43686a4fb9b77b502031d1a4
Markdown3340c8f524fcf9d678d8939b9439e9f85d0794aa2c8526d4f1b24a0917414a76
PDF
Publication page73386de60e33fc8def3a8dd0cd4057ba9bb9158062cadc2dc5da06cd81f04f86
Manifest5eea4e1185c07a59f67790c0c948257351736d84158c9fa2d30ea19097e70868

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
Signature/CUiAqPXc0RDs9tZgZgGBHrDj5tb3A0mda529b7cNSZgnOgkV/qpUMLIfGcC60kOtGJy19VObC3UkPvnnibyDg==
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...

Independent retrieval

2026-09-17T10:47:01.411025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058546
observed 73386de60e33fc8def3a8dd0cd4057ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:01.391461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058546/manifest.json
observed 5eea4e1185c07a59f67790c0c9482573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:01.372989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058546/publication.md
observed 3340c8f524fcf9d678d8939b9439e9f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:01.355103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058546/publication.txt
observed 3c03812d513a3e274ad8c575f1245b5a...
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.