OpenTechnical

OT-2026-000103830

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000103830) never changes.

Identity and time

Publication numberOT-2026-000103830 · never reused
Internal UUID01a0aea4-e463-7bba-9c06-f6076b3a6ded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103830
StatusPUBLIC

Content hashes

Canonical textb97fda23b4f55817a9c8ef237e77f61c6bbfdacfaf8b7a2087ec21928c06b3bf
Markdowna43e188e6b3fb459a127cb71fccdde0baf3bc866439391d867e5a2c7a0a58522
PDF
Publication pageb96479aa2677945838794720e40f3eb94962f16a7b2b265d5d67b48e53276436
Manifest07c34e5d3a6f720344c1548ed046fd69d3f98a8e01afc9685a86bae66be433d7

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
SignatureDPX2BLNcCsPNrTJmIaZliBk0Yrc0n1puM/bIsGTfNg7lc9OQxnUUFEhQIM+a/jCuGROlllUPYwv3ryc4gwkNAg==
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

2026-09-17T09:22:47.316475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103830
observed b96479aa2677945838794720e40f3eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.301378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103830/manifest.json
observed 07c34e5d3a6f720344c1548ed046fd69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.284266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103830/publication.md
observed a43e188e6b3fb459a127cb71fccdde0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.269126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103830/publication.txt
observed b97fda23b4f55817a9c8ef237e77f61c...
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.