OpenTechnical

OT-2026-000017471

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000017471) never changes.

Identity and time

Publication numberOT-2026-000017471 · never reused
Internal UUID01a0ae6e-76c9-78fa-9ddd-2227b6283503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017471
StatusPUBLIC

Content hashes

Canonical text31a42d21694a1f59ee0f27e4857e9499ffb423baa77d847aa310f2c6f88cfb08
Markdownb02ffca3522c13ab853e6f10241b2e29bd6e9f961cf3f732403e74d18b8b31dd
PDF
Publication pageefd57f98d044c3162fcae7dcac0e6543113dc32f535205d67daf044901ed0970
Manifest07a00fed1774d15a29f692a7397933c28da969d5d038622a6a31e8c250600ba6

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
SignaturePLy45iLLcqyals/r6OkR2eJsPEam38CIt1HFI8+OLkUjFb6KGGoBeA15+uaSDwUHIjcu/g5zUE7hga2lNYQgCA==
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

2026-09-17T12:02:36.897579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017471
observed efd57f98d044c3162fcae7dcac0e6543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:36.878026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017471/manifest.json
observed 07a00fed1774d15a29f692a7397933c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:36.857634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017471/publication.md
observed b02ffca3522c13ab853e6f10241b2e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:36.836722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017471/publication.txt
observed 31a42d21694a1f59ee0f27e4857e9499...
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.