OpenTechnical

OT-2026-000097738

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000097738) never changes.

Identity and time

Publication numberOT-2026-000097738 · never reused
Internal UUID01a0aea1-92f5-7e95-9957-378efa65d3dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097738
StatusPUBLIC

Content hashes

Canonical textec658491f8ad17127b9e7c50db82b4eab7c96ed5dafc1515c62b252f6ce4187d
Markdownb8c4048b352031d3563c701e0fd10921b878118c13c3ff66670cf740f5ac611d
PDF
Publication pagee41ac514a0e355ff8435a7228f1fb3159338eefc600c7e11290e75a24bf4a678
Manifest4c634cd6d3aa9ab2c74cb1b311984d3a5dcff81c4445903ef6150d2153578e5f

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
Signaturey9UfBR5w6v/Ra1HRCA92qTPunCadO7XZYTVDkHIKJJBEdGNJdeQViE0B/TDCwcTLJI5UuLtHGKnc5amUzek2Dw==
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

2026-09-17T09:32:47.179352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097738
observed e41ac514a0e355ff8435a7228f1fb315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.129860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097738/manifest.json
observed 4c634cd6d3aa9ab2c74cb1b311984d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.079734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097738/publication.md
observed b8c4048b352031d3563c701e0fd10921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.032260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097738/publication.txt
observed ec658491f8ad17127b9e7c50db82b4ea...
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.