OpenTechnical

OT-2026-000026865

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000026865) never changes.

Identity and time

Publication numberOT-2026-000026865 · never reused
Internal UUID01a0ae72-3452-714a-b145-830dddb14b26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026865
StatusPUBLIC

Content hashes

Canonical text0b2a9807f7cc34568d0b8edebcca76f2bfcd92dbb054621180471670abace974
Markdown8de071e231e7fdf6f72f1e71c607dd067a0352f74db5fd796bd784e98ce905ea
PDF
Publication paged57f05d3fe3d8345b012eca4be0647b044aa4feed924993e5d6e6e79a28fbb35
Manifestf0644dec4fe622efd6515fdbba91d408f5b33526a6ffb1e80298256cd4885f84

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
SignaturePCeDAq0THNJWsLmKP62Q2SDuF60z+taNrYkCWpqifNiaGlg9ZN+hguGdaVpx/zg/0euINLlFNzatMV1E37lNBw==
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

2026-09-17T11:43:28.067448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026865
observed d57f05d3fe3d8345b012eca4be0647b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.050818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026865/manifest.json
observed f0644dec4fe622efd6515fdbba91d408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.033310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026865/publication.md
observed 8de071e231e7fdf6f72f1e71c607dd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.015851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026865/publication.txt
observed 0b2a9807f7cc34568d0b8edebcca76f2...
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.