OpenTechnical

OT-2026-000071417

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000071417) never changes.

Identity and time

Publication numberOT-2026-000071417 · never reused
Internal UUID01a0ae91-e0ed-7a5a-aa4b-7bf5a73bffb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071417
StatusPUBLIC

Content hashes

Canonical text7abb5c84dd9ec69a51ff9c0992933c1bf3054533e48b3e33abe722a6c34f2fba
Markdownf6b263ef26113ed2f8f2bfc358887f84783544756a86c8e2b5b829cb31c4212b
PDF
Publication page679a6a365ab1d73c1530285ce120732868e7caae58999db58797dced6eebad97
Manifestb4738f4473c4c1ab93c772abaa7284a08ec7d816a7b32e0863168e8699b0fe1d

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
SignatureOePjz4sZjsH5C77U+zsK3VTFyHmFPgMdwQ1a486ZqpLLF0lFDLuzcskzomKvfgH1JR1JiYN4cAaq2vwX2FcIAA==
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

2026-09-17T10:25:02.857095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071417
observed 679a6a365ab1d73c1530285ce1207328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.840729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071417/manifest.json
observed b4738f4473c4c1ab93c772abaa7284a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.823710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071417/publication.md
observed f6b263ef26113ed2f8f2bfc358887f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.806112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071417/publication.txt
observed 7abb5c84dd9ec69a51ff9c0992933c1b...
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.