OpenTechnical

OT-2026-000021538

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000021538) never changes.

Identity and time

Publication numberOT-2026-000021538 · never reused
Internal UUID01a0ae6f-865e-714c-808d-9ce52e62c3f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021538
StatusPUBLIC

Content hashes

Canonical text63e57b42ca8e9b43c3a373718d5ce0226f1a53d89dd1025a268a46fe1792a8d0
Markdownf654e10f13cc6c50cff62d5848dc5b1110e0eaa68f24b8338db0617b3e94ec01
PDF
Publication pagee59ca1e204e193e91f538f4cb2f9582f70c146ee92733a72379ae31191698b17
Manifestbf364ea81e9c4ae82b2066ae54233809a10ce91fd22bdaf1f0c058ba8ccf80c7

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
SignatureScKMxJ+u+QKyqqsQOcVaF8pt1XfQImiygRhfMmsPAE5wmj051uCgBw6axUOjFEq0J5CwXhaSIpDN+RXbSRuWAA==
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

2026-09-17T11:55:27.494554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021538
observed e59ca1e204e193e91f538f4cb2f9582f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:27.475333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021538/manifest.json
observed bf364ea81e9c4ae82b2066ae54233809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:27.456241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021538/publication.md
observed f654e10f13cc6c50cff62d5848dc5b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:27.435400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021538/publication.txt
observed 63e57b42ca8e9b43c3a373718d5ce022...
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.