OpenTechnical

OT-2026-000014999

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000014999) never changes.

Identity and time

Publication numberOT-2026-000014999 · never reused
Internal UUID01a0ae6d-d096-72f5-a9d0-7dac865c6c7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014999
StatusPUBLIC

Content hashes

Canonical text71da753706c937a9453ef126f309a1e779980ed5539c67b823f456e3e358f89a
Markdown4c9407d29007674bfa4f98609e0a061ea9a38b5077dacc4c7bc0d555229c1be5
PDF
Publication pageefabec8b643a2550794c50e64b978a1b9c0661edd59b99d0562347317289c58f
Manifest3534f33dd7006fb06799dd7b07807416378371ea4a39c4d25a12b7ae2e40a0b0

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
SignatureVhfGicu5M3Ibg0MpjKpMRogzqvF5eYC2g3CfBSWqF0/4a74jHy58xGGKCTC8YArDaPI+oPscqchzuZmEiC+FDw==
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

2026-09-17T12:06:57.895679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014999
observed efabec8b643a2550794c50e64b978a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.876696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014999/manifest.json
observed 3534f33dd7006fb06799dd7b07807416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.857374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014999/publication.md
observed 4c9407d29007674bfa4f98609e0a061e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.836887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014999/publication.txt
observed 71da753706c937a9453ef126f309a1e7...
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.