OpenTechnical

OT-2026-000017661

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000017661) never changes.

Identity and time

Publication numberOT-2026-000017661 · never reused
Internal UUID01a0ae6e-96f9-7ab0-a909-f4980c4922ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017661
StatusPUBLIC

Content hashes

Canonical text7b29347bb7e4e2de7eca6d4f55ecc6efeab0e3c881800c82879f42ded78b2a19
Markdown1ee22219163c18c4cbaeab89e6e51cea85b82711b65ba9ff2706aa036f55d733
PDF
Publication page67b9ea8ab813728d5c7d10d247c3e753a20f62dce68e9a2c3f9bafb7077954a7
Manifest350c86d841e4c0135a1061b3748483aefed939de248afa91a2772ef7a7633326

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
SignatureyPhQJRMT2BfY4p5wwoymg27jqJ6z6spv0rvO8AeyemocgJQHDtDz1oheB9CgSkRF5nmPBsvXsO4sU37pFlFzDQ==
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

2026-09-17T12:01:35.746402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017661
observed 67b9ea8ab813728d5c7d10d247c3e753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:35.727258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017661/manifest.json
observed 350c86d841e4c0135a1061b3748483ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:35.707562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017661/publication.md
observed 1ee22219163c18c4cbaeab89e6e51cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:35.688110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017661/publication.txt
observed 7b29347bb7e4e2de7eca6d4f55ecc6ef...
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.