OpenTechnical

OT-2026-000018784

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000018784) never changes.

Identity and time

Publication numberOT-2026-000018784 · never reused
Internal UUID01a0ae6e-d521-7e0f-adb8-4c4094fa59ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018784
StatusPUBLIC

Content hashes

Canonical textcd9212cef4fe8bd4879c788c2724a3bc8480eabfa15d9e326659c1db55b41590
Markdown0ca511a7dae01a34758fda04379011964c9ee0ef2ce40c75542150d45bdc503b
PDF
Publication pagefb3a05c56bedfe7d7db77bd612ae14e0eb98cf0fbe4c68e1be2c50b6f11bf9fc
Manifest1d351fd0c7e346ecbdacfdb1cb89af70e7b65993507642e384836ca8c958b9b3

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
SignatureHoIhlRuVvy7vg2QWRMpdS/uE7oQSP+4vAUOshAByrdTFspV4Wlz6Mr5F/vXgiU/TYghgmpGLBZ+BjB08LoHxDw==
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

2026-09-17T11:59:24.544033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018784
observed fb3a05c56bedfe7d7db77bd612ae14e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.527874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018784/manifest.json
observed 1d351fd0c7e346ecbdacfdb1cb89af70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.511819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018784/publication.md
observed 0ca511a7dae01a34758fda0437901196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.493642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018784/publication.txt
observed cd9212cef4fe8bd4879c788c2724a3bc...
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.