OpenTechnical

OT-2026-000038116

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000038116) never changes.

Identity and time

Publication numberOT-2026-000038116 · never reused
Internal UUID01a0ae77-f88b-7d91-9a14-61aff454a94d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038116
StatusPUBLIC

Content hashes

Canonical text509628a1696faf2f22c626358ef0a4174012ed786866db1386617d16d27d445b
Markdown2aa5a01ca1695a8b154b3c6802696b0ba7293b586c65e4cf371357a8873757eb
PDF
Publication pageb07ace19b21983043276bfb43013648aec8c1e945220ec1e24c7cb054e7ba569
Manifest4598a7263f5b09db95a338b72a42be6a5bad5b529795879a0105109bec2f9f20

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
SignaturecEpXFvw6JUaRFHoUUeKB/4dneFjZFiqz98E1VhmjaPo+XEl0YwO6iPCaA0q8ckiDqkM4Y/yk87rkgCQl8FPXDg==
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

2026-09-17T11:23:27.365115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038116
observed b07ace19b21983043276bfb43013648a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.345081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038116/manifest.json
observed 4598a7263f5b09db95a338b72a42be6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.328905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038116/publication.md
observed 2aa5a01ca1695a8b154b3c6802696b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.312242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038116/publication.txt
observed 509628a1696faf2f22c626358ef0a417...
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.