OpenTechnical

OT-2026-000015965

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000015965) never changes.

Identity and time

Publication numberOT-2026-000015965 · never reused
Internal UUID01a0ae6e-0c4d-7c76-b20e-89c9bd9e8163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015965
StatusPUBLIC

Content hashes

Canonical textb43626751b8255d85b74210f3cb78afc0fd982e512cbbda9345244dbe6201abd
Markdown784c4879930b651d129c7a1779dc3244f01fa9f87be07f17013c34bdf3b16580
PDF
Publication page8192e3b3fcb1e461dd3e0d9628b47a05c67295e9e62b152d2f3716ef15be9e66
Manifest27cd258c1670aeb6ccad7b1b03a75f569755971510f4394b10f8d2f84797f345

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
SignaturequtVmawM4K7Sawqi4uDesI806IcnT0W2O5D3jcl4KZV707MKyt+CfbteFxhgUOl4MB5oMezpoZayLjv0JRyPAA==
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

2026-09-17T12:05:27.706980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015965
observed 8192e3b3fcb1e461dd3e0d9628b47a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:27.680110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015965/manifest.json
observed 27cd258c1670aeb6ccad7b1b03a75f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:27.652198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015965/publication.md
observed 784c4879930b651d129c7a1779dc3244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:27.624123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015965/publication.txt
observed b43626751b8255d85b74210f3cb78afc...
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.