OpenTechnical

OT-2026-000015548

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000015548) never changes.

Identity and time

Publication numberOT-2026-000015548 · never reused
Internal UUID01a0ae6d-ef4b-7db7-909b-a54c0ed9ace5 · 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-2026-000015548
StatusPUBLIC

Content hashes

Canonical textc2627a41da2791f177ec927b18cfb642a2ed4d5bcf124b80b2471c6fc45f4616
Markdownd46c5dd3d576632c331060c62c6f45de9ce4e953b53c9b614cd610556aab68eb
PDF
Publication pagee2914f325ea7060ac0add3ea6a3e246281bcd9b3aa263ef46456908132878691
Manifest7affd8c803ef0b97e33b3e32d2a514104458748a1d5b10a023b0e9830da2c347

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
SignatureA2xsViD/NiJTK3+13QXlfe82iynxIA+lV1oOpy/wxILBooQ6D14VjXsUfQ/Cdb8A6NBqCiI8hT7JvWOs3/V3CQ==
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

2026-09-17T12:06:19.957781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015548
observed e2914f325ea7060ac0add3ea6a3e2462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.939470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015548/manifest.json
observed 7affd8c803ef0b97e33b3e32d2a51410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.920924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015548/publication.md
observed d46c5dd3d576632c331060c62c6f45de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.902706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015548/publication.txt
observed c2627a41da2791f177ec927b18cfb642...
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.