OpenTechnical

OT-2026-000062633

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000062633) never changes.

Identity and time

Publication numberOT-2026-000062633 · never reused
Internal UUID01a0ae8c-0ac1-7cb4-bc78-306f1d9c715b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062633
StatusPUBLIC

Content hashes

Canonical text6697ce09b5ba32dfd57916cb9ea0361c424b006715f10e97463ec74c69738472
Markdown0210c85be7aea0edfca0dbe17d954bc6d6b26d0ce450e2649c4626fd8b1ebe28
PDF
Publication pagefa491a9a901c917ddc2e4e61dfe42a6dc1e4fb7b60d7798fde6e47c58d0ee3d2
Manifestaf1b58799e713011b150b09032dff5b6f5cbedf29746a9ba8f186b348b54e559

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
SignaturebW0mNG4D/BcISQ881juLFgx3ajJTzDqcKRLaDhJOY9qiUrakk634ZPcuqN50IJRD02KkcWRF3Yoob19udnDqCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:08.895030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062633
observed fa491a9a901c917ddc2e4e61dfe42a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.870630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062633/manifest.json
observed af1b58799e713011b150b09032dff5b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.843614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062633/publication.md
observed 0210c85be7aea0edfca0dbe17d954bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.820439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062633/publication.txt
observed 6697ce09b5ba32dfd57916cb9ea0361c...
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.