OpenTechnical

OT-2026-000050479

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050479) never changes.

Identity and time

Publication numberOT-2026-000050479 · never reused
Internal UUID01a0ae82-5c48-7b93-aa0d-2913941d18b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050479
StatusPUBLIC

Content hashes

Canonical textd954059c5ccb5e33deda87ad53839be0dde2adf7c11deaf98b8e5147239b3ef8
Markdown03c28c138fc3ebccc8a440ce8c58dc77c74b2aa7e8ad675fc8db98973507678d
PDF
Publication page1fc2320fda77d7a6cee91a55e4724f3c1989c6dd4cb22656214ff899b13d37e7
Manifestb66729f5e33702b98e326151e6cc97bb1349fb86c802f3f792b597d607f12a75

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
SignatureQHHsSmIsusUStyKZBAkr2TYmDXjs/RnqFiMXiDV7R5cZ/gYvv6+Hv1ZP8otKRx+gjhcdeU+2KvVhe2D4C5xJCA==
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

2026-09-17T11:01:32.034032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050479
observed 1fc2320fda77d7a6cee91a55e4724f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.017146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050479/manifest.json
observed b66729f5e33702b98e326151e6cc97bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.001679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050479/publication.md
observed 03c28c138fc3ebccc8a440ce8c58dc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.985587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050479/publication.txt
observed d954059c5ccb5e33deda87ad53839be0...
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.