OpenTechnical

OT-2026-000104189

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000104189) never changes.

Identity and time

Publication numberOT-2026-000104189 · never reused
Internal UUID01a0aea5-341f-7679-aa8f-440dde4e0898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104189
StatusPUBLIC

Content hashes

Canonical text83a283e243e051ded9a50b008d3a9e957e2bf92b0c5a7ef156a34c2135e62669
Markdown4c7c91727863495ca257375a02d51dd7f975e7efb6e77c8f0865fc3d7e08b497
PDF
Publication page86aa2562ac2a7d8c302ad419453a007d6f80a751a2bdf3c1210affcbfccb5848
Manifest0314e39f33b9b01a1d38d50f17438cdf497fb1475c0f31dc48b9f98a1c0c0efd

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
SignatureOQ9WHuSZ+CX2f8GNiubLTee3ZGV6oTyesozE0BwgDQDBm/8TpknOV99jBghbWwVT9o+66+VcIicaxeyLol6cDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:17.111565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104189
observed 86aa2562ac2a7d8c302ad419453a007d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.094504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104189/manifest.json
observed 0314e39f33b9b01a1d38d50f17438cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.053822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104189/publication.md
observed 4c7c91727863495ca257375a02d51dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.011386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104189/publication.txt
observed 83a283e243e051ded9a50b008d3a9e95...
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.