OpenTechnical

OT-2026-000015549

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000015549) never changes.

Identity and time

Publication numberOT-2026-000015549 · never reused
Internal UUID01a0ae6d-ef4b-7872-bc4d-93e951678fd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015549
StatusPUBLIC

Content hashes

Canonical texte2bde5baeb970dbdc75dad575731997eb57d61090ed2fdaed78331c9af0fb557
Markdownb36e268f71065d335b89b705c08295b3504da76e0165904e7cfda7ffe87ed653
PDF
Publication page333b92d9363b5c28d36650554f8488d3f354bea37822e360c4f1e6a4021840eb
Manifest7471a37e51a32b8fc4e1ee42464d40ae22424218896ddef9d9a36daf3ce5d30e

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
Signature6/C4mD9uPFhLG6XxMiKhJ5WfRSUxxHTHPyZMF6O/rAGXPPK6RUSmxranpuEsQ01YcTJosZpRk+EuLY7wELCtAA==
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

2026-09-17T12:06:20.037910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015549
observed 333b92d9363b5c28d36650554f8488d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.016321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015549/manifest.json
observed 7471a37e51a32b8fc4e1ee42464d40ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.997043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015549/publication.md
observed b36e268f71065d335b89b705c08295b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.978466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015549/publication.txt
observed e2bde5baeb970dbdc75dad575731997e...
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.