OpenTechnical

OT-2026-000019300

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000019300) never changes.

Identity and time

Publication numberOT-2026-000019300 · never reused
Internal UUID01a0ae6e-f392-74ea-be0e-f7b37527ae43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019300
StatusPUBLIC

Content hashes

Canonical texteaaa3ae971848364617b832f14597c64820c3f46a8f7c37b3d938ee963fd2567
Markdown469c8fee30ebc2caec33a505105a89769bf2794ea48185e4733d57688f988f56
PDF
Publication page56c5a6f1831e13eead21b6a8c85590274eddcae0e03817f5dfadbdde22b0a636
Manifest35088d3b35d5cf9e6ca4eab9cf769bd2a40a7482b453191f6207dfc74b896348

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
SignaturetE1ONuyjyaaYz87q1tefVi1GkpN/F0DR4tHU44K5VteevC0eoHrh4R2HXBYKmi84gBmlLxl0pEhyO/zAWhEZDg==
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

2026-09-17T11:58:39.482425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019300
observed 56c5a6f1831e13eead21b6a8c8559027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.463915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019300/manifest.json
observed 35088d3b35d5cf9e6ca4eab9cf769bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.446249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019300/publication.md
observed 469c8fee30ebc2caec33a505105a8976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.426230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019300/publication.txt
observed eaaa3ae971848364617b832f14597c64...
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.