OpenTechnical

OT-2026-000035540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000035540) never changes.

Identity and time

Publication numberOT-2026-000035540 · never reused
Internal UUID01a0ae76-b4c5-7099-a130-d9bd0d614cfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035540
StatusPUBLIC

Content hashes

Canonical textc71132a9184b147911a1cdb4b027b5f9d1653fa0423996a14516d3b2bbceaadf
Markdowna5a869393683a760c1fa5f5655c051387faaae1926271e94896a325cad8a92ec
PDF
Publication page643e1432d7bbb181fe0c9453e2314caa9965d6027c0165c6779eb3f66c0a95fa
Manifest7ab8a40458dfbb3529986586e05192e6dcc97d473583c4670070f6cddfd0d8db

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
SignatureJ4fw5GrMmnaKBQrWCDEJcjJe9XYypIfAl0V+gz1m9BYjDB3lsSu1UvfUZiS3pvxhJpPaHZnzRn2ccM8KZAjzCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:58.033434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035540
observed 643e1432d7bbb181fe0c9453e2314caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:58.014409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035540/manifest.json
observed 7ab8a40458dfbb3529986586e05192e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:57.996797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035540/publication.md
observed a5a869393683a760c1fa5f5655c05138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:57.980335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035540/publication.txt
observed c71132a9184b147911a1cdb4b027b5f9...
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.