OpenTechnical

OT-2026-000014927

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000014927) never changes.

Identity and time

Publication numberOT-2026-000014927 · never reused
Internal UUID01a0ae6d-d095-7a47-829f-638360163b64 · 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-2026-000014927
StatusPUBLIC

Content hashes

Canonical text4559b9a38ea920c1e60925bb2cd435dda0e7e377ed6a98297528d2c7a77e097e
Markdownd580c65cddab7e3e3f53acc5a93b083daa9c2bd6495f1dc2c25a8da62af8ae94
PDF
Publication page840be8515cc1f2c3504f1404164589b36c9082fc359d8bdb82bf373db15341c3
Manifest5f83671e52b484a974e41a54e2dc2946203afe18122c70dd26ffa14a97dd65c9

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
SignatureOIAAerYM7bqj+q0EuVNu+VNqUq1TwYJhy4nlhohjNGAWgyl8F9Veicf+5qEGKaPmbAWvOJ+1lAWG7iBu/pjRDQ==
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

2026-09-17T12:06:52.073208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014927
observed 840be8515cc1f2c3504f1404164589b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.056217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014927/manifest.json
observed 5f83671e52b484a974e41a54e2dc2946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.039488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014927/publication.md
observed d580c65cddab7e3e3f53acc5a93b083d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:52.020047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014927/publication.txt
observed 4559b9a38ea920c1e60925bb2cd435dd...
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.