OpenTechnical

OT-2026-000070301

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000070301) never changes.

Identity and time

Publication numberOT-2026-000070301 · never reused
Internal UUID01a0ae91-545e-7401-8d6d-4c9c68f4c329 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070301
StatusPUBLIC

Content hashes

Canonical text26b4dd4ba4903e244b37110f4d906481e81e3930621e6974e145afd99baefe63
Markdownd071d43114881610107639087908cea581ccc9aff69e242e4cc80c2f8b880862
PDF
Publication page0a1a6e32486b591eebfab8b882a2e0be9754160b1b5f3a69c486927923dfb47c
Manifest0d0d1d376aaa83246dace8f270b0e6da7aa93aca6955b018b4b73ed452b20aa4

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
SignatureDYlmcV6ZJDzJQW/s7Xys5yONCFGxMvRLON/HQ6pmlcPTFclZ87p4CMOHgmYLvkys+T3fIy0pqc7cmfzaYzpFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:05.260096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070301
observed 0a1a6e32486b591eebfab8b882a2e0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.244619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070301/manifest.json
observed 0d0d1d376aaa83246dace8f270b0e6da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.229237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070301/publication.md
observed d071d43114881610107639087908cea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.211299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070301/publication.txt
observed 26b4dd4ba4903e244b37110f4d906481...
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.