OpenTechnical

OT-2026-000043032

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000043032) never changes.

Identity and time

Publication numberOT-2026-000043032 · never reused
Internal UUID01a0ae7b-3278-75be-a801-da0aafaf3692 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043032
StatusPUBLIC

Content hashes

Canonical text0755991be260ec79375e2072862f7c9e355e6383caa27464a0530b5afbd3a547
Markdown14f0f9db1f145750487e564db7bb61014af2f81137d3fb484dd885bf01ec279a
PDF
Publication pagedc762c1881f8814faa5b55cdde2f3e4d61e9f020e80a2a889f16870ecb3f29de
Manifeste2d23b1e73553b21f8d0efd2c6a82d45fc1c007ec6d449ce2eeb97cb900af7bd

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
Signature97/m/7EM1Oycf9ZOxBxeQY4s08s+UaoImFPFdlbgCQQ37XaxTapcYe/jcnWciuj/qMgwwMAGk088JX1z3ObaBA==
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

2026-09-17T11:13:21.032743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043032
observed dc762c1881f8814faa5b55cdde2f3e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:21.012361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043032/manifest.json
observed e2d23b1e73553b21f8d0efd2c6a82d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.993414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043032/publication.md
observed 14f0f9db1f145750487e564db7bb6101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.973361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043032/publication.txt
observed 0755991be260ec79375e2072862f7c9e...
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.